you are not driving on a paved or public road.
the engine is running and you are not driving faster than 40 km/h.
the transmission is in position
.
button. Indicator lamp 
flashes. The shift request stays active for a maximum 30 seconds. If all requirements for shift operation are not fulfilled within this time, the indicator lamp switches off again and the shift operation must be started again.
. If shift operation is successful, the message LOW RANGE on appears in the instrument cluster, an audible signal sounds and the indicator lamp lights up continuously. The vehicle changes automatically to the G-Mode drive program.
. The vehicle stays in LOW RANGE if you park the vehicle in LOW RANGE, even after the engine has been restarted. The G-Mode drive program continues to be active More.
the engine is running and you are not driving faster than 70 km/h.
the transmission is in position
.
button. The shift request stays active for a maximum 30 seconds. If all requirements for shift operation have not been fulfilled within this time, shift operation must be started again.
. If shift operation is successful, the message LOW RANGE off appears in the instrument cluster, an audible signal sounds and the indicator lamp goes out.
.