2006 GMC SIERRA 1500 Owners Manual

Page 417 of 600

GMC SIERRA 1500 2006  Owners Manual Doing Your Own Service Work
{CAUTION:
You can be injured and your vehicle could be
damaged if you try to do service work on a
vehicle without knowing enough about it.
Be sure you have sufficient know

Page 418 of 600

GMC SIERRA 1500 2006  Owners Manual Gasoline
The 8th digit of your vehicle identi�cation number (VIN)
shows the code letter or number that identi�es your
engine. You will �nd the VIN at the top left of the
instrument panel. SeeVehicle I

Page 419 of 600

GMC SIERRA 1500 2006  Owners Manual California Fuel
If your vehicle is certi�ed to meet California Emissions
Standards, it is designed to operate on fuels that
meet California speci�cations. See the underhood
emission control label. If

Page 420 of 600

GMC SIERRA 1500 2006  Owners Manual Gasolines containing oxygenates, such as ethers and
ethanol, and reformulated gasolines may be available
in your area. General Motors recommends that you use
these gasolines if they comply with the sp

Page 421 of 600

GMC SIERRA 1500 2006  Owners Manual To ensure quick starts in the wintertime, the E85 fuel
must be formulated properly for your climate according to
ASTM speci�cation D 5798. If you have trouble starting
on E85, it may be because your E

Page 422 of 600

GMC SIERRA 1500 2006  Owners Manual Filling the Tank
{CAUTION:
Fuel vapor burns violently and a fuel �re can
cause bad injuries. To help avoid injuries to you
and others, read and follow all the instructions
on the pump island. Turn off

Page 423 of 600

GMC SIERRA 1500 2006  Owners Manual When replacing the fuel cap, turn it clockwise until it
clicks. It will require more effort to turn the fuel cap on
the last turn as you tighten it. Make sure the cap is fully
installed. The diagnosti

Page 424 of 600

GMC SIERRA 1500 2006  Owners Manual Checking Things Under
the Hood
{CAUTION:
An electric fan under the hood can start up
and injure you even when the engine is not
running. Keep hands, clothing and tools away
from any underhood electric