See also:

Pairing a Phone
1. Press and hold for two seconds. 2. Say “Bluetooth.” This command can be skipped. 3. Say “Pair.” The system responds with instructions and a four-digit Personal Identification Number (PIN ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). For a description of how Grade Braking affects vehicle speed while the Tow/Haul Mode is activated, see Tow/Haul Mode on page 9 ...

Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...