Setting Cruise Control
If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control switch off when cruise is not being used.
The cruise control light on the instrument panel cluster will come on after the cruise control has been set to the desired speed.
1. Press 
.
2. Get up to the desired speed.
3. Press the SET− button located on the steering wheel and release it.
4. Take your foot off the accelerator.
See also:
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) system makes the low-beam headlamps come on at a
reduced brightness in daylight when the following conditions are met:
○ The ignition is on.
○ The exterior ...
Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system.
Account numbers can also be stored for use.
...
Filling the Tank
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries.
To help avoid injuries to you ...