User Manual - Page 296

For 2021 ALTIMA SEDAN.

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Additional information:
When using a wheel without the TPMS
such as the spare tire, the TPMS does not
monitor the tire pressure of the spare tire.
The TPMS will activate only when the ve-
hicle is driven at speeds above 16 mph (25
km/h). Also, this system may not detect a
sudden drop in tire pressure (for example,
a flat tire while driving).
The low tire pressure warning light does
not automatically turn off when the tire
pressure is adjusted on all four tires. After
all four tires are inflated to the recom-
mended pressure, the vehicle must be
driven at speeds above 16 mph (25 km/h)
to activate the TPMS and turn off the low
tire pressure warning light. Use a tire
pressure gauge to check the tire
pressure.
The “Tire Pressure Low - Add Air” warning
appears in the vehicle information dis-
play when the low tire pressure warning
light is illuminated and low tire pressure is
detected. The “Tire Pressure Low - Add
Air” warning turns off when the low tire
pressure warning light turns off.
The “Tire Pressure Low - Add Air” warning
appears each time the ignition switch is
placed in the ON position as long as the
low tire pressure warning light remains
illuminated.
The “Tire Pressure Low - Add Air” warning
does not appear if the low tire pressure
warning light illuminates to indicate a
TPMS malfunction.
Tire pressure rises and falls depending on
the heat caused by the vehicle’s opera-
tion and the outside temperature. Do not
reduce the tire pressure after driving be-
cause the tire pressure rises after driving.
Low outside temperature can lower the
temperature of the air inside the tire
which can cause a lower tire inflation
pressure. This may cause the low tire
pressure warning light to illuminate. If the
warning light illuminates, check the tire
pressure for all four tires.
The Tire and Loading Information label is
located in the driver's door opening.
You can also check the tire pressure of all
tires (except the spare) on the vehicle in-
formation display screen. The order of
the tire pressure figures displayed on the
screen corresponds with the actual order
of the tire position.
For additional information, see “Low tire
pressure warning light” (P. 2-13), “Tire Pres-
sure Monitoring System (TPMS)” (P. 6-3) and
“Tire pressure” (P. 8-29).
WARNING
Radio waves could adversely affect
electric medical equipment. Those
who use a pacemaker should contact
the electric medical equipment
manufacturer for the possible influ-
ences before use.
5-6 Starting and driving
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