Four-Wheel Drive - GMC Sierra Denali 2017 Owner's Manual

Warning
WARNING: Battery posts,
terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and birth defects or other
reproductive harm. Batteries also
contain other chemicals known to
the State of California to cause
cancer. WASH HANDS AFTER
HANDLING.
See California Proposition
65 Warning 0 340.
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 Jump Starting -
North America 0 418 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.

Four-Wheel Drive

Transfer Case
When to Check Lubricant
Refer to Maintenance Schedule
0 438 to determine when to check
the lubricant.
Vehicle Care
1. Fill Plug
2. Drain Plug
To get an accurate reading, the
vehicle should be on a level
surface.
If the level is below the bottom of
the fill plug (1) 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 (1) hole. Use
care not to overtighten the plug.
When to Change Lubricant
Refer to Maintenance Schedule
0 438 to determine how often to
change the lubricant.
What to Use
Refer to Recommended Fluids and
Lubricants 0 447 to determine what
kind of lubricant to use.
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