Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc.
In this case, open or close the vehicle using the buttons on the remote control or use the integrated key in the door lock.
See also:
Reference
   This chapter contains technical data, short 
commands for the voice activation system, and an 
index that will quickly take you to the information 
you need. ...
   
Avoid high engine speeds
   Driving at a low engine speed reduces fuel consumption 
and minimizes wear. ...
   
Fuel gauge
   
The vehicle inclination may 
cause the display to vary.
Notes on refueling. ...
   
