See also:

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 ...

Roadside Assistance and OnStar
If you have an active OnStar subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay y ...

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would w ...