Black plate (27,1)
GMC Yukon Denali/Yukon XL Denali Owner Manual - 2012 - CRC 2nd
Edition - 11/9/11
Vehicle Care
10-27
Refer to the replacement number on
the original battery label when a
new battery is needed. See
Compartment Overview on
page 10
for battery location.
{
WARNING
Battery posts, terminals, and
related accessories contain lead
and lead compounds, chemicals
known to the State of California to
cause cancer and reproductive
harm. Wash hands after handling.
Vehicle Storage
{
WARNING
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
not careful. See
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
Transfer Case
If the vehicle is equipped with
All-Wheel Drive, be sure to perform
the lubricant checks described in
this section.
When to Check Lubricant
Refer to
to determine how often to
check the lubricant.
How to Check Lubricant
To get an accurate reading, the
vehicle should be on a level
surface.
A. Drain Plug
B. Fill Plug
If the level is below the bottom of
the fill plug hole, located on the
transfer case, some lubricant will
need to be added. Add enough
lubricant to raise the level to the
bottom of the fill plug hole. Use care
not to overtighten the plug.
What to Use
Refer to
to
determine what kind of lubricant
to use.
