Supplementary text messages
Addition information, such as on the cause of a fault or the required action, can be called up via Check Control.
In urgent cases, this information will be shown as soon as the corresponding lamp comes on.
Symbols
The following functions can be selected within the supplementary text message, depending on the Check Control message.
▷ 
"Service request"
Contact the service partner.
▷ 
"Roadside
Assistance"
Contact Roadside Assistance.
See also:
Switching off
Press the button repeatedly until the LEDs go
out. ...
Headlamp range control
With halogen headlamps, the headlamp range of
the low beams can be manually adjusted for the
vehicle load to avoid blinding oncoming traffic.
The values following the slash apply to trailer
oper ...