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 InformationBrakes
Disc brake pads have built-in wear indicators that make a high-pitched warning
sound when the brake pads are worn and new pads are needed.
The sound can come and go or be heard all the time when the vehicle is moving,
except when applying the brake pedal firmly.
Warning
The brake wear warning ...
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 ...
If a Tire Goes Flat
This vehicle has a tire sealant and compressor kit. See Tire Sealant and Compressor
Kit on page 10-56.
There is no spare tire, no tire changing equipment, and no place to store a tire.
It is unusual for a tire to blow out, especially if the tires are maintained
properly. See Tires on page 10-3 ...