See also:

Owner Checks and Services
At Each Fuel Stop ○ Check the engine oil level. See Engine Oil on page 10‑10. Once a Month ○ Check the tire inflation pressures. See Tire Pressure on page 10‑51. ○ In ...

Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. ...

Braking
Braking action involves perception time and reaction time. Deciding to push the brake pedal is perception time. Actually doing it is reaction time. Average driver reaction time is about three-fourths ...