Comparison with ordinary remote control
The functions can be controlled by pressing the buttons of the remote control or Comfort Access.
Unlocking
Grasp the door handle on the driver's or front
passenger door completely, arrow 1. This corresponds
to pressing the 
button.
Locking
Press the area on the door handle, arrow 2, with your finger for approx. 1 second.
This corresponds to pressing the 
button.
To save battery power, ensure that the ignition and all electronic systems and/or power consumers are switched off before locking the vehicle.
Convenient closing
Press the area on the door handle, arrow 2, with the finger and hold it down.
In addition to locking, the windows and the glass sunroof are closed.
Monitor the closing process
Monitor the closing process to ensure that no one becomes trapped.
Unlocking the trunk lid separately
Press the button on the exterior of the trunk lid.
This corresponds to pressing the 
button.
Do not place the remote control in
the
cargo area
Take the remote control with you and do not leave it in the cargo area; otherwise, the remote control is locked inside the vehicle when the trunk lid is closed.
See also:
Viewing stored Check Control messages
Viewing stored Check Control messages
1. Press the button on the turn signal lever
downward. "CHECK OK" or the stored
Check Control messages appear on the display.
„CHECK OK“ is show ...
Tire inflation pressures at max. speeds
above 100 mph/160 km/h
Speeds above 100 mph/160 km/h
In order to drive at maximum speeds in excess
of 100 mph/160 km/h, please observe, and,
if necessary, adjust tire pressures for speeds
exceeding 100 mph/160 km/h ...
Malfunction
In the event of a failure or malfunction of the
parking brake, secure the vehicle against rolling
using a wheel chock, for example, when leaving
it. ...