GMC Sierra Denali 2014 Owner's Manual page 316

10-46 Vehicle Care
Number Usage
43 Left Front Heated/
Cooled Seat
44 Right Front Heated/
Cooled Seats
45 Spare
49 Retained Accessory
Power/Accessory
50 Run/Crank
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.