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:
Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle is ...
Single CD (MP3) Player
To set the time and date:
1. Turn the ignition key to ACC/ACCESSORY or
ON/RUN. Press to turn the radio
on.
2. Press and the HR, MIN, MM, DD,
YYYY (hour,
minute, month, day, and year) displ ...
Loss of Control
Let us review what driving experts say about what happens when the three control systems—brakes, steering, and acceleration—do not have enough friction where the tires meet the road to do what the ...