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:
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 the ...
Headlamp Aiming
Headlamp aim has been preset and should need no further adjustment. If the vehicle
is damaged in a crash, the headlamp aim may be affected. If adjustment to the headlamps
is necessary, see your de ...
Engine Air Cleaner/Filter
Engine Air Cleaner/Filter ...
