See also:

Inserting and removing the remote key
Ignition slot with remote key and START/STOP ENGINE button. ...

Common functions: Remote key/ Personal Car Communicator (PCC)*
Personal Car Communicator (PCC)* Lock Unlock Approach lighting Trunk unlock/open Panic alarm ...

Auxiliary sound level
If the external sound source's volume is too high, the quality of the sound may be impaired. This can be prevented by adjusting the external sound source's input volume. 1. While playing the ...