Note: These steps are intentionally general because exact disassembly varies by year and trim. If your model’s SOS battery is non-replaceable, the telematics unit must be replaced as an assembly.
Access the overhead console / module
Locate and identify the SOS module
Inspect the module
Replace the battery
Reconnect and reassemble
System initialization and checks
If you own a Peugeot 2008, you may eventually encounter a warning light or message regarding your battery. However, the term "battery replacement" can refer to two very different things:
This guide covers all three, with a specific focus on the often-misunderstood SOS battery, which is a common point of failure in Peugeot vehicles.
Replacing the SOS (emergency call) battery in a Peugeot 2008 is a specialized task because the battery is not part of the main engine battery system. It powers the autonomous telematics unit, which ensures the SOS system works even if the car's main power fails. Key Details for SOS Battery Replacement Symptoms of Failure : The most common sign is a flashing red light
on the SOS button or a "Backup Battery Fault" message on the dashboard. : The battery is housed within the autonomous telematics box . Depending on your specific model year: It is often located under the dashboard near the steering column In some versions, it may be found within the overhead console near the interior lights. Battery Type
: This is a specific rechargeable backup battery (often a Ni-MH or Li-ion pack) rather than a standard button cell or car battery. You should use the exact part number specified in your Peugeot Service Box handbook based on your VIN. Replacement Procedure Safety First : Disconnect the vehicle's main 12V battery before starting to avoid electrical shorts.
: Remove the relevant trim panels (either the lower dash or the overhead console) carefully to avoid breaking plastic clips.
: Unplug the old battery pack from the telematics module and connect the new one.
: Some models may require a diagnostic tool to clear the fault code and "tell" the car a new battery has been installed. Service Box Service Information Estimated Lifespan Approximately 8 years (with authorized loss of 75%). Difficulty Moderate (may require removing dashboard trim). Recommendation If the light is red, the battery is likely flat or faulty.
Replacing the SOS emergency call battery in a Peugeot 2008 is a specialized task distinct from changing the main vehicle battery. While the main car battery is easily accessible under the hood, the SOS backup battery (part of the Peugeot Connect SOS & Assistance system) is typically tucked away within the dashboard or overhead console to ensure it remains functional during a serious collision. Understanding the Peugeot SOS System
The SOS system is designed to provide emergency assistance even if the car's main battery is disconnected or damaged in an accident.
The SOS Battery: This is a small, dedicated backup battery that powers the telematics unit. It generally needs replacement every 4 to 5 years.
Warning Signs: You may need a replacement if you see an "Emergency Call System Fault" message on the dashboard, if the SOS button flashes orange or red after starting the car, or if it remains constantly illuminated.
Placement: In most Peugeot 2008 models, this battery is located inside the Telematic Unit (BTA/BTA2), which is often found behind the dashboard's head unit (radio) or near the glovebox area. Step-by-Step Replacement Guide
Because this involves sensitive electronics, many owners prefer to visit a local Peugeot dealer to ensure the system is properly re-coded. If you are comfortable with DIY:
Safety First: Ensure the vehicle is off. For some models, it is recommended to disconnect the main car battery negative terminal to avoid electrical shorts.
Access the Module: Use trim removal tools to carefully remove the plastic panels around the center console or radio head unit. You may need Torx screwdrivers to unscrew the telematics box.
Locate the Battery Compartment: The backup battery is usually a small, rectangular lithium-ion pack housed within a clip-on compartment on the module.
Exchange the Battery: Unplug the small wiring harness connecting the old battery and replace it with a genuine Peugeot replacement part to ensure compatibility.
Reassemble and Test: Reinstall the module and panels. Turn on the ignition; the warning light should disappear after a self-test period. Technical Specifications for Main Battery
If your "SOS fault" is actually related to low voltage from the vehicle's primary power source, you may need to replace the main battery instead. Standard Peugeot 2008 Spec Replacement Requirement Main Battery 12V L2/L3 EFB or AGM (for Start/Stop) 10mm socket wrench, terminal sanding SOS Battery Specific Peugeot Backup Lithium Pack Trim tools, potential software reset
For official parts and certified assistance, you can browse Peugeot's Official Parts and Service page or consult reviewers on forums like Peugeot Forums for model-specific advice.
Replacing the SOS battery in a Peugeot 2008 is a common task when the SOS light begins flashing orange or stays lit, indicating the internal backup battery for the telematic unit is failing Identifying the Need for Replacement The Warning
: A solid or flashing orange SOS light typically indicates that the telematic unit's backup battery is no longer holding a sufficient charge.
: Diagnostic assessments often show that these batteries fail when they can no longer power the module for the required emergency duration (typically at least 5 minutes). Location & Battery Type
: In the Peugeot 2008, the SOS battery is located within the Independent Telematic Unit
. For many models, this unit is found behind the dashboard display or within the overhead console. Battery Type
: This is a specific telematic backup battery, not a standard AA or AAA. You should use the exact replacement part specified by Peugeot for your vehicle's VIN. Replacement Process
While the main vehicle battery is easily accessible under the bonnet, the SOS battery requires more careful disassembly. Preparation
: Disconnect the vehicle's main 12V battery first to prevent electrical shorts or accidental deployment of emergency systems. Accessing the Unit
Carefully remove the trim panels (often the overhead console or dash display trim) using plastic pry tools to avoid damaging clips.
Unscrew the telematic module to reveal the battery compartment. Swap the Battery
: Remove the old backup battery and click the new one into place. Reassembly & Testing
: Reinstall the module and trim. Reconnect the main vehicle battery. The SOS light may take a short drive to recalibrate and turn off. Where to Find Parts & Help
For this specific safety-related part, it is best to use official channels: Official Parts : You can find the correct battery through the Peugeot Services Store or a local parts department. Expert Assistance
: If the light remains red or orange after replacement, you may need a software update or a telematic unit reset performed by a specialist like Oaktree Garage SOS Light Flashing Orange - French Car Forum
To replace the emergency SOS (eCall) battery in a Peugeot 2008, you typically need to access the Autonomous Telematics Box. Location & Key Details
Location: The battery is housed within the emergency call module, which is generally located behind the dashboard near the steering column or within the overhead console.
Battery Type: It uses a specialized backup battery specified by Peugeot (often a rechargeable Ni-MH or Lithium-ion pack, not a standard CR2032).
Replacement Indicator: A failing SOS battery is typically indicated by a flashing red light on the SOS button or a dashboard warning message. General Replacement Procedure
While specific steps can vary by year (Mk1 vs. Mk2), the standard process follows these steps:
Preparation: Disconnect the vehicle's main 12V battery in the engine compartment to avoid electrical shorts.
Access: Remove the trim panels around the overhead console or the lower dashboard trim to reach the telematics unit.
Removal: Unplug the connector from the telematics box and carefully remove the battery cover.
Installation: Swap the old battery for a genuine Peugeot replacement.
Reset: Reconnect the main battery. The system may require a software reset or "configuration" using a diagnostic tool (like Peugeot ServiceBox or DiagBox) to clear the error code.
For model-specific diagrams, you can download the official handbook from Peugeot ServiceBox by selecting your vehicle's registration date.
The Peugeot 2008 is equipped with an independent telematics system that relies on a dedicated internal backup battery. If you see a flashing SOS light or a "Backup Battery Fault" message on your dashboard, it is time for a replacement. Why Your Peugeot 2008 Needs an SOS Battery
The SOS system (Peugeot Connect SOS) is a safety feature that automatically calls emergency services in the event of an accident. Operates independently of the main car battery. Triggers automatically if airbags deploy. Allows manual emergency calls via the SOS button. Ensures GPS location tracking for rescue teams. Signs You Need a Replacement
Most Peugeot 2008 owners encounter battery issues after 4 to 6 years of vehicle use. Watch for these red flags:
Dashboard Warnings: "SOS Emergency Call System Failure" or "Telematics Unit Fault."
LED Indicators: The SOS button light flashes orange instead of staying green.
Audible Beeps: A short beep sequence upon starting the ignition.
Age: If your vehicle is over five years old, the internal lithium cell is likely nearing the end of its life cycle. Step-by-Step Replacement Guide
In the Peugeot 2008, the SOS battery is housed within the Autonomous Telemetry Box (ATB), usually located behind the dashboard or the glovebox assembly, depending on your specific model year. 1. Gather Your Tools Plastic trim removal tools. Torx T20 screwdriver.
Replacement Peugeot OEM SOS Battery (typically a 3.6V or 4.2V lithium pack). 2. Access the Telematics Unit
For most 2008 models, you must remove the side panel of the dashboard or the internal glovebox lining. Gently pry the plastic clips to avoid snapping the delicate trim. 3. Locate the Battery Compartment
The SOS battery is a small, rectangular plastic-wrapped pack connected by a thin wire harness. It is usually held in place by a single screw or a slide-in plastic clip. 4. Swap the Battery
Unplug the old battery connector. Plug in the new unit, ensuring the pins align perfectly. You should hear a faint click when the connector seats. 5. System Reset
Once installed, start the engine. The warning light may stay on for a few minutes while the system performs a self-test. In some cases, you may need an OBD-II diagnostic tool to clear the "stored fault" from the ECU memory. Important Maintenance Tips
💡 Buy OEM Parts: Cheap third-party batteries often lack the correct voltage or heat resistance required for automotive safety systems.
💡 Check the Main Battery: Sometimes, a dying main vehicle battery can trigger false SOS errors. Ensure your primary battery is healthy before tearing apart the dashboard.
💡 Professional Coding: If the error persists after a DIY swap, a dealer may need to "tele-code" the unit using Peugeot’s DiagBox software to recognize the new power source.
If you'd like to find the exact part number for your specific model year or need help locating a local specialist to handle the coding, just let me know! AI responses may include mistakes. Learn more
SOS battery (also known as the "emergency call" or "backup" battery) in a Peugeot 2008
is a critical component of the Peugeot Connect SOS & Assistance system. This internal battery powers the vehicle's telematics unit to ensure emergency services can be reached even if the car's main 12V battery is disconnected or damaged during an accident. Key System Details
: Powers the manual or automatic (airbag-triggered) emergency call function. Service Life : Designed to last roughly
with an authorized capacity loss of up to 75%. Some specialized garages note that failure can occur earlier if the battery cannot power the module for more than five minutes. Warning Indicators Red Flashing/Solid Light
: Indicates a fault with the emergency system, often a flat or faulty internal battery. Orange Blinking Light
: On newer models, this may indicate the 10-year SOS service subscription has expired. Battery Location & Access
Unlike the main vehicle battery under the hood, the SOS battery is located inside the Autonomous Telematics Box (BTA)
: Typically found behind the dashboard, near the steering column, or behind the instrument cluster. Access Difficulty
: Replacing this battery is considered a "heavy" task, often requiring the removal of dashboard panels or the instrument display. Replacement Procedure
Because the SOS system is a safety-critical component, it is highly recommended to have the replacement performed by a Peugeot Authorized Repairer or a qualified technician.
: A diagnostic scanner should be used to confirm the "Internal Battery Fault" (e.g., fault code FD87) before dismantling the dash. Safety Precautions
: Disconnect the vehicle’s main 12V battery before beginning work on the telematics module. Dismantling
: Remove the trim below the dashboard display or the display unit itself to reach the BTA module.
: Replace the internal cell (typically a specialized Ni-MH or Li-ion pack, not a standard AA battery) with the specific part number provided by Peugeot. Software Update
: Professionals often carry out a software update on the telematics module simultaneously to ensure system stability. Estimated Costs
While individual battery cells can sometimes be found online for moderate prices, the labor-intensive nature of the dashboard removal means dealer or garage costs often range from £150 to £300 ($190 to $380) including parts and labor. near you to handle this replacement? SOS Light Flashing Orange - French Car Forum
If you want, tell me your Peugeot 2008 model year and whether you can access the overhead console (or send a photo of the module area) and I’ll provide a model-specific removal and part-identification walkthrough.
Cost estimate:
Battery ~$10–20, DIY labor 30–60 minutes.
Dealer replacement: $150–300.
The Peugeot 2008 SOS battery, typically lasting 4 to 8 years, requires replacement when a flashing red light or dashboard fault appears, with the unit located in either the overhead console or under the dashboard. Replacing this specific Li-ion/NiMH pack involves removing interior trim to access the telematics module, often requiring a reset via diagnostic tool. Detailed, model-specific guidance on locating the SOS battery can be found at JustAnswer. Where is the battery for the SOS button? just need to know
Title: "Stay Safe on the Road: A Step-by-Step Guide to Replacing the SOS Battery in Your Peugeot 2008"
Introduction: The Peugeot 2008 is a popular compact SUV known for its stylish design, comfortable ride, and advanced safety features. One of the critical safety features in the Peugeot 2008 is the SOS battery, which powers the vehicle's emergency call system. However, like all batteries, the SOS battery in your Peugeot 2008 has a limited lifespan and will eventually need to be replaced. In this feature, we'll walk you through the process of replacing the SOS battery in your Peugeot 2008, so you can stay safe on the road.
What is the SOS Battery in Peugeot 2008? The SOS battery in your Peugeot 2008 is a small battery that powers the vehicle's emergency call system, also known as the eCall system. This system automatically sends a distress signal to emergency services in the event of a serious accident, providing your location and other critical information to responders.
Why Replace the SOS Battery? The SOS battery in your Peugeot 2008 is designed to last for several years, but it will eventually drain and need to be replaced. If the SOS battery is not replaced, the eCall system may not function properly, which could put you and your passengers at risk in the event of an emergency.
Tools and Materials Needed: To replace the SOS battery in your Peugeot 2008, you'll need the following tools and materials:
Step-by-Step Replacement Guide: Here's a step-by-step guide to replacing the SOS battery in your Peugeot 2008:
Tips and Precautions: When replacing the SOS battery in your Peugeot 2008, make sure to follow these tips and precautions:
Conclusion: Replacing the SOS battery in your Peugeot 2008 is a relatively simple process that can be done at home with a few tools and some basic knowledge. By following this guide, you can ensure that your vehicle's emergency call system continues to function properly, keeping you and your passengers safe on the road.
The story of replacing a Peugeot 2008 SOS battery often starts with a mysterious blinking red or orange light
on the dashboard or overhead console, signaling a fault in the emergency call system
. Unlike the main car battery, this small backup battery is part of the Autonomous Telematics Box
, designed to power emergency calls even if the vehicle's main power fails during an accident. French Car Forum The Replacement "Adventure"
Replacing this battery is famously more complex than a standard battery swap: Hidden Location
: In many Peugeot 2008 models, the SOS battery is tucked deep under the dashboard near the steering column or within the overhead console The "Dashboard" Challenge : Some owners have been told by mechanics that the entire dashboard
needs to be removed to access the telematic unit, making a small battery replacement a labor-intensive project. System Lifespan
: These batteries typically have an autonomy of about one year without loss of capacity and are expected to lose roughly 75% of their power after eight years Warning Signs
: A flashing orange light often means the battery is getting weak and not holding a full charge, while a solid red light might indicate a permanent fault in the telematic unit itself. French Car Forum Key Tips for Owners Diagnostic First
: Before tearing into the dash, experts suggest checking for specific fault codes (like
) at a workshop to confirm if it’s just the battery or the entire telematic unit that has failed. Safety Precaution disconnect the main 12V vehicle battery
before attempting to access the SOS module to avoid shorting out sensitive electronics. Professional Help
: Because of the specialized location and the need to reset system faults, many owners prefer using a qualified Peugeot workshop
Are you seeing a specific warning light color on your SOS button right now? SOS Light Flashing Orange - French Car Forum 20 May 2023 —
Replacing the SOS backup battery in a Peugeot 2008 is a specialized task because this battery is separate from the main 12V car battery and is typically housed within the autonomous telematics box. Key Replacement Details
Location: The battery is usually located under the dashboard near the steering column or within the overhead console near the emergency call module. Some sources also suggest it may be near the rear seats or trunk.
Symptoms of Failure: A flashing red light on the SOS button often indicates a flat or faulty backup battery. An orange flashing light for 3 minutes after starting may alternatively indicate an expired service subscription.
Lifespan: These batteries typically last about eight years, though capacity may begin to drop after one year of use.
DIY vs. Professional: While some attempt this by removing dashboard panels, professional help is often recommended. The telematics unit is sensitive, and its fine wires can be easily damaged during removal. Estimated Costs
Replacing an SOS module battery can be significantly more expensive than a standard battery due to labor and specialized parts:
Dealer Quotes: Some owners have reported dealer quotes ranging from £250 to over £600 for SOS module-related battery services.
Diagnostic Fees: Dealerships often charge an average of $150–$250 just for the initial diagnostic check. Safety Precaution
If you attempt a DIY replacement, always disconnect the main 12V vehicle battery first to avoid electrical shorts or accidental airbag deployment. For the main battery, remember to disconnect the negative terminal first.
How to replace the car battery Peugeot 2008 mk1 1.2 PURETECH
Important Note: The "SOS Battery" warning usually refers to the backup battery located inside the Peugeot SOS Telematics Unit (localization unit). This battery is designed to allow the emergency call system to function even if the car's main battery is severed in a crash.