See also:

Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...

Automatic Transmission Shift Lock
The vehicle has an automatic transmission shift lock control system. The shift lock control system is designed to: . Prevent ignition key removal unless the shift lever is in P (Park). . Prevent m ...

Dual Tone Multi-Frequency (DTMF) Tones
The in-vehicle Bluetooth system can send numbers during a call. This is used when calling a menu-driven phone system. 1. Turn the Menu knob to select Enter Number, then press SELECT. 2. En ...