GMC 2012 GMC Sierra Denali, Owner'S Manual, Page: 367 / 502

Black plate (29,1)
GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11
Vehicle Care 10-29
Vehicle Storage
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WARNING
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
not careful. See
Jump Starting on
page 10 ‑ 83 for tips on working
around a battery without
getting hurt.
Infrequent Usage: Remove the
black, negative (
− ) cable from the
battery to keep the battery from
running down.
Extended Storage: Remove the
black, negative (
− ) cable from the
battery or use a battery trickle
charger.
All-Wheel Drive
It is not necessary to regularly
check the transfer case fluid unless
there is a leak suspected or an
unusual noise is heard. A fluid loss
could indicate a problem. Have it
inspected and repaired by your
dealer.
Four-Wheel Drive
It is not necessary to regularly
check the transfer case fluid unless
there is a leak suspected or an
unusual noise is heard. A fluid loss
could indicate a problem. Have it
inspected and repaired by your
dealer.
Front Axle
It is not necessary to regularly
check the front axle fluid unless
there is a leak suspected or an
unusual noise is heard. A fluid loss
could indicate a problem. Have it
inspected and repaired by your
dealer.
Noise Control System
The following information relates to
compliance with federal noise
emission standards for vehicles with
a Gross Vehicle Weight Rating
(GVWR) of more than 4 536 kg
(10,000 lbs). The noise control
system warranty is given in your
warranty booklet.
These standards apply only to
vehicles sold in the United States.
Federal law prohibits the following
acts or the causing thereof:
1. The removal or rendering
inoperative by any person,
other than for purposes of
maintenance, repair or
replacement, of any device or
element of design incorporated
into any new vehicle for the
purpose of noise control, prior to
its sale or delivery to the ultimate
purchaser or while it is in use; or