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:
Tire and Loading Information Label
Label Example
A vehicle specific Tire and Loading Information label is attached to the center pillar (B-pillar). With the driver door open, you will find the label attached below the door lock post ...
Canceling a Remote Start
To cancel a remote start, do one of the following:
○ Press until the parking lamps
turn off.
○ Turn on the hazard warning flashers.
○ Insert the key and turn it to ON/ RUN and ...
Setting the Tone (Bass/Treble) (AM-FM Radio and AM-FM Radio with CD)
To adjust the bass or treble:
1. Press the knob until Bass or Treble displays.
2. To adjust the setting, do one of the following:
• Turn the knob.
• Press either SEEK, or SEEK.
• Press ...





