GMC 2011 Sierra Denali Owner's Manual page 428

10-84 Vehicle Care
5. Open the hood on the other
vehicle and locate the
positive (+) and negative ( )
terminal locations on that
vehicle.
The positive (+) terminal is
located under a red plastic
cover at the positive battery
post. To uncover the positive (+)
terminal, open the red plastic
cover.
If your vehicle has a gasoline
engine, the remote negative ( )
terminal is a stud located on the
right front of the engine, where
the negative battery cable
attaches.
If your vehicle has a diesel
engine, the remote negative ( )
terminal is the negative ( ) post
on the auxiliary battery on the
driver side of the engine
compartment.
For more information on the
location of the remote
positive (+) and remote
negative ( ) terminals,
see Engine Compartment
Overview on page 10 6 for
gasoline engines, or Engine
Compartment Overview in the
Duramax supplement.
WARNING
An electric fan can start up even
when the engine is not running
and can injure you. Keep hands,
clothing and tools away from any
underhood electric fan.
WARNING
Using an open flame near a
battery can cause battery gas to
explode. People have been hurt
doing this, and some have been
blinded. Use a flashlight if you
need more light.
Be sure the battery has enough
water. You do not need to add
water to the battery installed in
your new vehicle. But if a battery
has filler caps, be sure the right
amount of fluid is there. If it is low,
add water to take care of that
first. If you do not, explosive gas
could be present.
Battery fluid contains acid that
can burn you. Do not get it on
you. If you accidentally get it in
your eyes or on your skin, flush
the place with water and get
medical help immediately.