OnStar

See also:

Turn Signal Indicator
The vehicle has a turn signal indicator on the mirror. An arrow on the mirror flashes in the direction of the turn or lane change. ...

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. - Avoid fast starts and accelerate smoothly. - Brake gradually and avoid abrupt stops. - ...

Rainsense™
For vehicles with Rainsense, a sensor located near the top center of the windshield detects the amount of water on the windshield and automatically controls the frequency of the windshield wiper. ...