Battery - North America; Four-Wheel Drive - GMC Sierra 2018 Owner's Manual

356 Vehicle Care
Warning
The wrong or contaminated brake
fluid could result in damage to the
brake system. This could result in
the loss of braking leading to a
possible injury. Always use the
proper GM approved brake fluid.
Caution
If brake fluid is spilled on the
vehicle's painted surfaces, the
paint finish can be damaged.
Immediately wash off any painted
surface.

Battery - North America

The original equipment battery is
maintenance free. Do not remove
the cap and do not add fluid.
Refer to the replacement number
shown on the original battery label
when a new battery is needed. See
Engine Compartment Overview
0 332 for battery location.
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. For more information
go to www.P65Warnings.ca.gov/
passenger-vehicle.
See California Proposition
65 Warning 0 330 and the back
cover.
Vehicle Storage
Warning
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
(Continued)
Warning (Continued)
not careful. See Jump Starting -
North America 0 411 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
0 432 to determine when to check
the lubricant.