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:

Tire Designations
Tire Size The examples show a typical passenger vehicle and light truck tire size. Passenger (P-Metric) Tire (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing syst ...

Drunk Driving
Death and injury associated with drinking and driving is a global tragedy. WARNING Drinking and then driving is very dangerous. Your reflexes, perceptions, attentiveness, and judgment can be affecte ...

New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: • If you have all-wheel drive, keep your speed at 88 km/h (55 mp ...