Check Gas Cap Light

If your vehicle has this light, it will come on if your gas cap is not securely fastened.
See also:
Purposeful technology
Comprehensive connectivity is enabled by OnStar's remote vehicle access,
which makes keeping tabs on the vehicle a breeze from anywhere with a smart
phone. Highlights include:
Passive entry
Hea ...
Ultrasonic Parking Assist
For vehicles with this feature, it uses sensors on the
rear bumper to detect objects while parking the vehicle. It
operates at speeds less than 8 km/h (5 mph) while in
R (Reverse). URPA uses aud ...
Engine Coolant Temperature Gage
This gage shows the engine coolant temperature.
If the gage pointer moves into the red area,
the engine coolant has overheated.
If you have been operating your vehicle under
normal driving c ...
