See also:

Locking the vehicle
If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. If the central locking in the vehicle is malfunctioning, you cannot lock the trunk. P ...

ETS/4ETS (Electronic Traction System)
WARNING Observe "Important safety notes" Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and ac ...

Safety notes
WARNING   Work improperly carried out on electronic components and associated software could cause them to cease functioning. Because the vehicle's electronic components are interconnec ...