OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationHome Page (Radio with Touchscreen)
Touchscreen Buttons
Touchscreen buttons show on the screen when available. When a function is unavailable,
the button may gray out. When a function is selected, the button may highlight.
Home Page Features
Press to go to the Home Page.
audio: Press to select AM, FM, SiriusXM®
(if equipp ...
Parking Brake
To set the parking brake, hold the brake pedal down and pull up on the parking
brake lever. If the ignition is on, the brake system warning light will come on.
See Brake System Warning Light on page 5-15.
To release the parking brake, hold the brake pedal down. Pull the parking brake
leve ...
Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Safety Belts” and “Child Restraints” in the Index for additional information
about the importance of proper res ...