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:
Automatic Transmission Operation
The vehicle may have a shift lever located either on the
steering column or on the console between the seats.
P (Park): This position locks the front wheels. It is
the best position to use when ...
Setting the Clock (Radio with CD)
The clock menu can be only be used with the radio on while in ON/RUN or ACC/ACCESSORY.
To set the time: 1. Press the CONFIG button and select Time Settings or press
H.
2. Select Set Time.
3. Tu ...
Hydroplaning
Hydroplaning is dangerous. Water can build up under
your vehicle’s tires so they actually ride on the
water. This can happen if the road is wet enough and
you are going fast enough. When your ...