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 InformationHigh/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 ...
Dinghy Towing (with Manual Transmission)
To dinghy tow the vehicle from the front with all four wheels on the ground:
Position the vehicle to tow and then secure it to the towing vehicle.
Shift the transmission to Neutral.
Turn the ignition to ACC/ ACCESSORY.
Caution
If 113 km/h (70 mph) is exceeded while towing the vehicle ...
Fog Lamps
If equipped with fog lamps, they are controlled by the
band on the middle of the turn signal
lever.
To use the fog lamps, the ignition must be turned on and the low-beam headlamps
or parking lamps must be on.
Turn the band to to turn the fog
lamps on. The band automatically returns to ...