Special Application Services
. Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
- Have underbody flushing service performed once a year.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an
extender. When you go in to order it, take the heavie ...
Steering
Hydraulic Power Steering
Your vehicle has hydraulic power steering. It may require maintenance. See
Power Steering Fluid.
If power steering assist is lost due to a system malfunction, the vehic ...






