GMC Sierra 2014 Owner's Manual page 416

10-50 Vehicle Care
Number Usage
36 Spare
37 Spare
40 Left Doors
41 Driver Power Seat
43 Left Front Heated/
Cooled Seat
44 Amplifier
45 Spare
100 Run/Crank
101 Accessory Power
Outlet 1/Cigarette
Lighter
Instrument Panel Fuse
Block (Right)
The right instrument panel fuse
block access door is on the
passenger side edge of the
instrument panel.
Pull off the cover to access the
fuse block.