Keyless drive (models with Personal Car Communicator only)
See also:
Disconnecting an external device
The external device is automatically disconnected
from the audio system if it is moved out
of range. ...
From inside the vehicle (central locking button)
Central locking button
The lock buttons on the door panel can be used to lock or unlock all doors and
the trunk at the same time. Press to
lock and to unlock.
Unlocking
The vehicle can be u ...
Low battery voltage
If the battery voltage is too low, the parking
brake cannot be applied or released. Connect
an auxiliary battery if the battery voltage is too
low, see page 114. ...