GMC HUMMER EV 2022 Owner's Manual page 344

9. Using the wheel wrench (4) and wheel
wrench adapter (3), turning
counterclockwise, remove the main
attachment bolt (2) from the center of
the bracket (1).
10. Grasp the spare tire firmly and pull it
out and away from the spare tire carrier.
11. Using the wheel wrench (4) on the
finished side of the wheel (1), turning
counterclockwise, remove the three lug
nuts (3) from the bracket (2). Remove the
bracket.
12. Gather all loose parts and store together
until needed.
Removing the Flat Tire and Installing the
Spare Tire
1. If the wheel has a center cap that covers
the lug nuts, place the chisel end of the
wheel wrench in each of the slots in the
cap, and gently pry it out.
2. Do a safety check before proceeding. See
If a Tire Goes Flat 0 334.
Vehicle Care
Warning
Unexpected wheel motion and/or
direction when one or more wheels are
off the ground for service work may
result in injury. The vehicle may:
Allow the wheels to rotate
unexpectedly in either direction
regardless of mode selection.
Allow the wheels to rotate in reaction
to attempts to rotate the tire(s)
manually.
Resist attempts to rotate the wheels
manually.
Before lifting the vehicle to do your own
service work, turn the vehicle off or place
the vehicle in the Service Mode. To place
the vehicle in Service Mode, with the
vehicle off and the brake pedal not
applied, press and hold POWER for more
than five seconds.
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