See also:

Restoring the factory settings
► Press the buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Important safety notes
See the "Important safety notes" section If ESP® detects that the vehicle is deviating from the direction desired by the driver, one or more wheels are braked to stabilize the vehicle ...

Socket in the rear-compartment center console
Example: vehicles with the smoker's package Lift up the cover of socket 1. ...