Vehicle Customization
Some vehicle features can be programmed by using the DIC buttons next to the steering wheel.
These features include:
• Language
• Door Lock and Unlock Settings
• RKE Lock and Unlock Feedback
• Lighting
• Chime Volume
• Memory Features
See Vehicle Personalization (With DIC Buttons) on page 5‑52.
See also:
Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and r ...
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
Anti-theft Alarm System
This vehicle may have a content theft-deterrent alarm system.
This is the security light.
To arm the theft-deterrent system:
1. Open the door.
2. Lock the door with the Remote Keyless Entry (RKE ...





