Malfunctions in driving mode
7.5 Emergency operation and breakdown assistance
7 - 28 3 302 633 en Operating Instructions GMK5250L
27.09.2017
• Connect the filler connection (2) with the
Supply coupling head of the towing vehicle.
A supply pressure of at least 6 bar (87 psi)
must be displayed and the lamps (1) must not
light up in the driver's cab when towing.
Electric power supply
• Switch on the battery master switch.
• Switch on the ignition.
On the transmission
• Switch the transmission to neutral position N.
• If necessary, open the Overview menu groups
menu.
Switching on towing mode
• Select and confirm the symbol (1) –
Symbol (2) is displayed.
Towing mode is switched on.
Switching off towing mode
• Select and confirm the symbol (2) –
Symbol (1) is displayed.
Towing mode is switched off.