See also:

Flash-to-Pass
The flash&-to&-pass feature works with the low beams or Daytime Running Lamps (DRL) on or off. To flash the high beams, pull the turn signal/lane change lever all the way toward you, then ...

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. ○ Avoid fast starts and accelerate smoothly. ○ Brake gradually and avoid abrup ...

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 ...