See also:

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

Unlocking
1. Insert the remote key into the ignition slot as far as possible. 2. Press the START/STOP ENGINE button. > A sound will be audible when the lock releases. Vehicles with keyless drive* A r ...

Putting ACC in standby mode
Before ACC can be used to regulate speed and/or the distance to a vehicle ahead, it must first be put in standby mode. To do so: Press . The symbol appears in the display and parentheses ( ...