Hill Start Aid - Volvo FM Handbook

130 Driving
Driving hints for trucks with air suspension
If the vehicle gets stuck on a slippery surface, the load
distribution between the drive axle and the bogie axle
can be altered to improve traction.

Hill start aid

1 Keep the vehicle stationary with the footbrake
2 Depress the clutch
3 Engage a suitable starting gear
4 Press the switch.
The function is activated and the lamp in the
switch lights.
5 Release the footbrake
The vehicle is kept stationary automatically. The
symbol in the display lights as long as the vehicle
is kept braked
6 Release the clutch
7 Start to accelerate
Note!
Take care when using snow chains
on the drive axle's inner wheels.
They can damage the air suspension.
Warning!
Turn off the electronic air
suspension system when using
support legs, a plough without
floating position, or other
equipment that effects the truck's
height above the road. On trucks
with equipment that effects the
truck's height above the road a
special switch can be fitted to
shut off the automatic height
control, mounted by a Volvo
workshop.
Symbol on the switch and display
Note!
The automatic system releases the
brakes when the clutch is released.
J5013669