See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Service booklet
Perform maintenance work at the service center, and record the work in the service booklet. The entries are proof of regular maintenance. ...

Buttons on the remote control
Buttons on the remote control 1 Unlocking 2 Locking 3 Opening the trunk lid 4 Panic mode in alarm system ...