Operating elements for driving
3.2 Short description of the operating elements
Operating manual GMK 6400 3 112 993 en 3 - 49
12.07.2013
Switching the transmission retarder function on/off
Parking brake
Parking brake indicator lamp
– Switching on: Press upper switch in – light (1) out
– Switching off: Press lower switch in – light (1) on
à p. 5 - 44
1 To engage the
parking brake:
Pull the lever down until it locks into place
2 To release the
parking brake:
Lift the lever and push it up until it latches into
place
3 Operating as
auxiliary brake:
Shift the lever to intermediate position
The braking force is increased continuously by
moving the lever from top to bottom.
4 Test position for
towing a trailer:
– Pull the lever down until it locks into place
– Press in the lever and pull it further downwards
The parking brake for the trailer is released;
à p. 5 - 87.
–On: Parking brake engaged
– Off: Parking brake released