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 InformationFilling a Portable Fuel Container
Warning
Filling a portable fuel container while it is in the vehicle can
cause fuel vapors that can ignite either by static electricity or other means. You
or others could be badly burned and the vehicle could be damaged. Always:
Use approved fuel containers.
Remove the container from the ...
Braking
Braking action involves perception time and reaction time. Deciding to push the
brake pedal is perception time. Actually doing it is reaction time.
Average driver reaction time is about three-quarters of a second. In that time,
a vehicle moving at 100 km/h (60 mph) travels 20m (66 ft), which co ...
High/Low-Beam Headlamp
Connector Retaining Tab
Connector Release
Headlamp Bulb
To replace a headlamp bulb:
Open the hood. See Hood on page 10-5.
Remove the connector retaining tab (1).
Disconnect the wiring harness connector from the bulb (3) by pressing the
connector release (2) and pulling strai ...