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 InformationEngine Compartment Overview
Windshield Washer Fluid Reservoir. See Washer Fluid on page 10-19.
Engine Coolant Surge Tank and Pressure Cap. See Cooling System on page 10-13.
Engine Oil Dipstick. See Engine Oil on page 10-8.
Engine Oil Fill Cap. See Engine Oil on page 10-8.
Engine Cooling Fan (Out of View). See Co ...
Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless
there is help nearby.
If possible, use Roadside Assistance. See Roadside Assistance Program on page
13-5.
To get help and keep everyone in the vehicle safe:
Turn on the hazard warning flashers.
Tie a red cloth t ...
Smartphone Link (Overview)
Before Using Smartphone Link
If equipped, the vehicle can connect to Pandora®, Stitcher SmartRadio®, or other
available applications through the infotainment system.
The applications must be downloaded to the device first, then the device can
be connected to the infotainment system.
Pandora i ...