The transfer case may be damaged if you depress the accelerator pedal while engaging or disengaging the all-wheel drive.
. The indicator lamp in the switch flashes while the all-wheel drive is engaged or disengaged.
The 
and 
warning lamps light up in the instrument cluster. ESP® and ASR are deactivated for the duration of the shift operation. Once the engaging/disengaging process has been completed, the and warning lamps in the instrument cluster go out and ESP® and ASR are reactivated.
As long as the indicator lamp in the switch is flashing, you can cancel the shift operation by pressing switch again. If the shift operation fails, the indicator lamp in the switch briefly flashes three times. One of the shift conditions was not met.
If the indicator lamp in the switch lights up, all-wheel drive is engaged.
If the LOW RANGE transmission ratio is engaged, the all-wheel drive cannot be disengaged.
You can engage and deactivate the all-wheel drive when stationary or while driving slowly.
The vehicle has been started.
The steering wheel in the straight-ahead position.
If the all-wheel drive cannot be engaged when stationary:
to 
from to from to 
and back to . Engaging and disengaging the all-wheel drive can be made easier in this way.
The vehicle has been started.
The vehicle is not travelling faster than 10 km/h.
The vehicle is not being driven around a bend.
If it is not possible to engage all-wheel drive when the vehicle is rolling:
. If you engage the all-wheel drive, the variable limiter deactivates automatically. The corresponding display message is not shown. You must activate the variable limiter again after disengaging the all-wheel drive if necessary More.