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:
Infotainment
Read the following pages to become familiar with the audio system's
features.
WARNING
Taking your eyes off the road for extended periods could cause a crash
resulting in injury or death to you ...
Engine Coolant Temperature Gauge
This gauge shows the engine coolant temperature.
If the indicator on the gauge moves towards the shaded area on the thermostat,
it means that the engine coolant has overheated. If the vehicle has ...
Instrument Panel
English Version Shown; Metric Similar.
A. Air Vents .
B. Turn and Lane Change Lever. See Turn and Lane-Change Signals .
Windshield Wiper/Washer .
C. Instrument Cluster . ...