Battery - North America; Four-Wheel Drive - GMC Yukon 2023 Owner's Manual

326 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 0 311 for battery location.
The vehicle has an Absorbent Glass Mat
(AGM) 12-volt battery. Installation of a
standard 12-volt battery will result in
reduced 12-volt battery life.
When using a 12-volt battery charger on the
12-volt AGM battery, some chargers have an
AGM battery setting on the charger.
If available, use the AGM setting on the
charger, to limit charge voltage to 14.8 volts.
Follow the charger manufacturer's
instructions.
Stop/Start System
This vehicle has a Stop/Start system to shut
off the engine to help conserve fuel. See
Stop/Start System 0 200.
Warning
WARNING: Battery posts, terminals and
related accessories can expose you to
chemicals including lead and lead
compounds, which are known to the
State of California to cause cancer and
birth defects or other reproductive harm.
Wash hands after handling. For more
information go to
www.P65Warnings.ca.gov.
See California Proposition 65 Warning 0 1.
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. Always wear
eye protection. See Jump Starting - North
America 0 370 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 0 388 to
determine when to check the lubricant.