See also:

Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch off ...

Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...

General notes
WARNING Vehicles with HYBRID: ensure that you read the "HYBRID" supplement. You may otherwise fail to recognize dangers. WARNING Making alterations to electronic components can ...