The following steps must be carried out for a "power reset"
- Switch off and disconnect battery charger
- Switch off ignition
Vehicles with ID transmitter: Remove ID transmitter from slot
Vehicles with comfort access system: Make sure terminal is in 0 position
- Disconnect battery negative terminal
- Reconnect battery negative terminal (to ensure bus activity)
- Waiting time (5-10 seconds)
- Disconnect battery negative terminal
- Waiting time (1 minute)
- Connect battery negative terminal and tighten, tightening torque 61 21 1AZ
- Connect and switch on battery charger
- Switch on the ignition.