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
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Odometer
Displays the distance the vehicle
has been driven in either
kilometers (km) or miles (mi). ...
Off-Road Recovery
The vehicle's right wheels can
drop off the edge of a road onto
the shoulder while driving.
Follow these tips:
1. Ease off the accelerator and
then, if there is nothing in the
way, steer t ...
Used Replacement Wheels
WARNING
Replacing a wheel with a used one is dangerous. How it has been used or how far
it has been driven may be unknown. It could fail suddenly and cause a crash. When
replacing wheels, us ...