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:
Retrieve My Number
1. Push . System responds:
“OnStar ready.”.
2. Say “My Number.” System
responds: “Your OnStar
Hands-Free Calling number is.” ...
Fuel Gauge
When the ignition is on, the fuel
gauge indicates how much fuel is
left in the tank.
An arrow on the fuel gauge
indicates the side of the vehicle the
fuel door is on.
The FUEL LEVEL LOW me ...
Heated and Cooled Cupholders
For vehicles with heated and cooled cupholders, these are located in the front
center console.
Press down on the access door release button to open the cupholder door.
To set to cool mode, press ...