Full-Size Spare Tire; Jump Starting - GMC Hummer EV 2023 Owner's Manual

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16569278) -
2023 - CRC - 1/25/23
14. Tighten the wheel nuts firmly in a
crisscross sequence, as shown.
15. Lower the jack all the way and remove
the jack from under the vehicle.
16. Replace the lifting point cover.
17. Tighten the wheel nuts firmly with the
wheel wrench.
Return the jack and tools to the toolbox and
the spare or flat tire to the spare tire carrier
by reversing the steps in Removing the
Spare Tire and Tools above.
Warning
Storing a jack, a tire, or other equipment
in the passenger compartment of the
vehicle could cause injury. In a sudden
stop or collision, loose equipment could
strike someone. Store all these in the
proper place.

Full-Size Spare Tire

If this vehicle came with a full-size spare
tire, it was fully inflated when new,
however, it can lose air over time. Check the
inflation pressure regularly. See Tire Pressure
0 294 and
Vehicle Load Limits 0 177 for information
regarding proper tire inflation and loading
the vehicle. For instructions on how to
remove, install, or store a spare tire, see Tire
Changing 0 312.
After installing the spare tire on the vehicle,
stop as soon as possible and check that the
spare is correctly inflated. The spare tire is
made to perform well at speeds up to
112 km/h (70 mph) at the recommended
inflation pressure, so you can finish
your trip.
Vehicle Care
Have the damaged or flat road tire repaired
or replaced and installed back onto the
vehicle as soon as possible so the spare tire
will be available in case it is needed again.
Do not mix tires and wheels of different
sizes, because they will not fit. Keep the
spare tire and its wheel together.
If this vehicle has a spare tire that does not
match the vehicle s original road tires and
wheels, in size and type, do not include the
spare in the tire rotation.

Jump Starting

For more information about the vehicle
battery, see Battery 0 279.
If the battery has run down, use another
vehicle and some jumper cables to start the
vehicle. Be sure to use the following steps
to do it safely.
Warning
Batteries can hurt you. They can be
dangerous because:
They contain acid that can burn you.
They contain gas that can explode or
ignite.
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