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:
Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP
This message displays when the engine coolant becomes hotter than the normal operating temperature.
To avoid added strain on a hot engine, the air conditioning compre ...
Playing the Radio
PWR (Power): Push this knob to turn the system
on and off.
VOLUME
: Turn this knob clockwise or
counterclockwise to increase or to decrease
the volume.
INFO (Information): When the ignition is ...
Seat Height Adjuster
If available, move the lever up or down to manually raise or lower the seat. ...