See also:

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...

GAWR (Gross Axle Weight Rating)
The GAWR is the maximum permissible axle weight. The actual load on an axle must never exceed the gross axle weight rating. The gross axle weight rating can be found on the vehicle identificat ...

Activating/deactivating
- Turn the SmartKey to position 2 in the ignition lock. - To switch on: press the button. The indicator lamp in the button lights up. Airflow and air distribution are set to automatic mode ...