Kia EV9 2023 Owner's Manual page 620

Maintenance
Tire replacement
A: Tread wear indicator
If the tire is worn evenly, a tread wear Indicator will appear as a solid band across the
tread.
This shows there is less than 1.6 mm (1/16 in.) of tread left on the tire. Replace the tire
when this happens.
Do not wait for the band to appear across the entire tread before replacing the tire.
Compact spare tire replacement (if equipped)
A compact spare tire has a shorter tread life than a regular size tire. Replace it when you
can see the tread wear indicator bars on the tire. The replacement compact spare tire
should be the same size and design tire as the one provided with your new vehicle and
should be mounted on the same compact spare tire wheel. The compact spare tire is not
designed to be mounted on a regular size wheel, and the compact spare tire wheel is not
designed for mounting a regular size tire.
WARNING
To reduce the chance of serious or fatal injuries from an accident caused by tire failure or
loss of vehicle control:
僅 Replace tires that are worn, show uneven wear, or are damaged. Worn tires can cause
loss of braking effectiveness, steering control, and traction.
僅 Do not drive your vehicle with too little or too much pressure in your tires. This can lead
to uneven wear and tire failure.
僅 When replacing tires, never mix radial and bias-ply tires on the same car. You must
replace all tires (including the spare) if moving from radial to bias-ply tires.
僅 It is best to replace all four tires at the same time. If that is not possible, or necessary,
then replace the two front or two rear tires as a pair.
Replacing just one tire can seriously affect your vehicle's handling.
僅 Using tires and wheels other than the recommended sizes could cause unusual handling
characteristics and poor vehicle control, resulting in a serious accident.
僅 Wheels that do not meet Kia's specifications may fit poorly and result in damage to the
vehicle or unusual handling and poor vehicle control.
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OMV093008L
Replacing components