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:
Compass Variance (Zone) Procedure
1. Do not set the compass zone
when the vehicle is moving.
On an automatic transmission
vehicle, only set it when the
vehicle is in P (Park). On a
manual transmission vehicle,
only set it w ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines,
transmission, axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service B ...
Safety
Standard safety items include four-wheel-disc, antilock brakes and a
StabiliTrak electronic stability system. The system has rollover mitigation
technology that senses imminent rollovers and appli ...