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 display. ESP® and ASR are deactivated for the duration of the shift operation. If the shift operation is successful, the and warning lamps in the instrument display 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.