Full-Size Spare Tire; Jump Starting - GMC Hummer EV 2024 Owner's Manual

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16639039) -
2024 - CRC - 3/20/23

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
0 301 and Vehicle Load Limits 0 182 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 (SUV) 0 324 or
Tire Changing (Pickup) 0 319.
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.
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 0 285.
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.
They contain enough electricity to
burn you.
If you do not follow these steps exactly,
some or all of these things can hurt you.
Vehicle Care
Caution
The vehicle is equipped with an AGM/
VRLA 12-volt battery, which can be
damaged by using the incorrect type of
trickle charger. An AGM/VRLA-compatible
charger must be used, with the
appropriate setting selected. Follow the
trickle charger manufacturer instructions.
Caution
Ignoring these steps could result in costly
damage to the vehicle that would not be
covered by the vehicle warranty. Trying
to start the vehicle by pushing or pulling
it will not work, and it could damage the
vehicle.
The battery is under a cover in the
underhood compartment.
To access the battery under the hood, the
left cover needs to be removed.
Before you connect the cables, here are
some basic things you should know.
Positive (+) will go to the positive (+)
terminal. Negative ( ) will go to the
329