Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this.
See also:
Additional Program Information
All program options, such as shuttle service, may not be available at every dealer. Please contact your dealer for specific information about availability. All Courtesy Transportation arrangements wil ...
Navigation System
If the vehicle has a navigation system, use of the system may result in the storage of destinations, addresses, telephone numbers, and other trip information.
Refer to the navigation manual for infor ...
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 ...