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:
How to Add Coolant to the
Surge Tank
WARNING!
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill
coolant on a hot engin ...
Sun Visors
Pull the sun visor down to block glare. Detach the sun visor from the center
mount to pivot to the side window, or to extend along the rod, if available. ...
Universal Remote System Operation
Using the Universal Remote System
Press and hold the appropriate Universal Remote system button for at least
half of a second.
The indicator light will come on while the signal is being transmi ...