OnStar

See also:

Warning Lights, Gauges, and Indicators
WARNING lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges co ...

Noise, Ride & Handling
Road and wind noise are low, but you'll hear more adjacent traffic than I'd expect in a luxury crossover. The Lincoln MKX and GLK, to name a couple competitors, are superior in this regard. With ...

Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems. ...