Vehicle Identification
See also:
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 abrupt stops.
...
Service Vehicle Messages
SERVICE AC SYSTEM
This message is displayed if there is a problem with the air conditioning system.
Take the vehicle to your dealer for service.
SERVICE POWER STEERING
This message is displayed i ...
Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this. ...





