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:
Control Buttons
The knobs and buttons used to
control the radio are:
(XM): Press to choose the
XM band (if equipped).
TUNE/TONE: Turn to search for
stations. Press to enter the
Tone menu.
MENU/SELECT: Tur ...
Drunk Driving
Death and injury associated with drinking and driving is a global tragedy.
WARNING
Drinking and then driving is very dangerous. Your reflexes, perceptions, attentiveness,
and judgment can be ...
Total Weight on the Vehicle's Tires
Be sure the vehicle's tires are inflated to the inflation pressures found on
the Certification label on the driver door or see Vehicle Load Limits
for more information. Make sure n ...