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 
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Advisor can run a check.
See also:
Defensive Driving
Defensive driving means “always
expect the unexpected.” The first
step in driving defensively is to wear
the safety belt. See Safety Belts.
- Assume that other road users
(pedestrians, bicycl ...
Airbag System Check
The airbag system does not need regularly scheduled maintenance or replacement.
Make sure the airbag readiness light is working. See Airbag Readiness Light
.
Notice: If an airbag covering i ...
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your
dealer first. Some electrical equipment can damage the vehicle and the damage would
not be covered by the vehicle&# ...