Unclip the battery cover from the telematics box and remove the old cell from its housing.
: Disconnect the vehicle’s main 12V battery before beginning work on the telematics module. Dismantling peugeot 2008 sos battery replacement
The SOS (emergency call) system in the Peugeot 2008 is part of the vehicle’s telematics/safety module and uses an internal backup battery to ensure the unit can operate briefly if the vehicle’s main electrical supply is lost. Replacing the SOS/emergency-call battery requires care: incorrect handling can disable the emergency system, trigger fault codes, or violate vehicle warranty/repair policies. Below is a detailed, practical guide covering identification, safety, step-by-step replacement, troubleshooting, and post-replacement checks. Unclip the battery cover from the telematics box