Four-Wheel Drive - GMC Sierra 2014 Owner's Manual

10-32 Vehicle Care
Warning (Continued)
page 10-90 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 on
page 11-3 to determine when to
check the lubricant.
How to Check Lubricant
Electronic Transfer Case
1. Fill Plug
2. Drain Plug
Manual Transfer Case
1. Fill Plug
2. Drain Plug