Adding Equipment To The Outside Of; Your Vehicle; Fuel - Chevrolet 2007 Silverado 1500 Pickup Owner's Manual

Adding Equipment to the Outside of

Your Vehicle

Things you might add to the outside of your
vehicle can affect the airflow around it. This may
cause wind noise and affect windshield washer
performance. Check with your dealer before
adding equipment to the outside of your vehicle.

Fuel

If your vehicle has a diesel engine, see "Diesel
Fuel Requirements and Fuel System" in the
®
DURAMAX Diesel Supplement.
For vehicles with gasoline engines, please
read this.
466
Gasoline
Use of the recommended fuel is an important part
of the proper maintenance of your vehicle. To
help keep your engine clean and maintain optimum
vehicle performance, GM recommends the use
of gasoline advertised as TOP TIER Detergent
Gasoline.
The 8th digit of your Vehicle Identification Number
(VIN) shows the code letter or number that
identifies your engine. You will find the VIN at the
top left of the instrument panel. See Vehicle
Identification Number (VIN) on page 596.
If your vehicle has the 5.3L V8 engine
(VIN Code Z), you may use either regular unleaded
gasoline or ethanol fuel containing up to 85%
ethanol (E85); also see Fuel E85 (85% Ethanol) on
page 469. In all other gasoline engines, use only
regular unleaded gasoline.