Switch off the engine and remove the key. Wait a few minutes for the car's electrical systems to go to sleep.
Secure the new battery, ensuring the connector is firmly in place.
Disconnect the wiring harnesses attached to the BTA unit carefully by pressing down on their locking tabs. peugeot 2008 sos battery replacement
Reconnect the wiring harnesses to the infotainment screen and slide the screen back into position.
The SOS system relies on its own backup battery, completely separate from your main car battery. Switch off the engine and remove the key
After replacing the battery, the warning message might not disappear immediately.
A: Technically yes, but the warning light will stay on, and you lose emergency call functionality. Some MOT/test stations may fail the car if the SOS light is illuminated. Disconnect the wiring harnesses attached to the BTA
A failing backup battery triggers noticeable vehicle warnings. Common indicators include:
: 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.
: The primary indicator that the system's internal self-diagnosis tool has detected a low voltage or dead backup cell.