User Manual - Page 99

For 2019 ALFA ROMEO 4C SPIDER.

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Check TPMS Warnings
The TPMS Warning Light will flash on and off for 75
seconds and remain on solid when a system fault is
detected, the “TIRE PRESSURE MONITORING UN-
AVAILABLE” text message will display. If the ignition
key is cycled, this sequence will repeat providing the
system fault still exists. The TPMS Warning Light will
turn off when the fault condition no longer exists. A
system fault can occur with any of the following
scenarios:
1. Jamming due to electronic devices or driving next to
facilities emitting the same radio frequencies as the
TPM sensors.
2. Installing some form of aftermarket window tinting
that affects radio wave signals.
3. Snow or ice around the wheels or wheel housings.
4. Using tire chains on the vehicle.
5. Using wheels/tires not equipped with TPM sensors.
NOTE: Your vehicle may be equipped with a compact
spare wheel and tire assembly.
1. The compact spare tire does not have a tire pressure
monitoring sensor. Therefore, the TPMS will not
monitor the tire pressure in the compact spare tire.
2. If you install the compact spare tire in place of a road
tire that has a pressure below the low-pressure
warning limit, upon the next ignition key cycle, a
chime will sound and the TPMS Warning Light will
still turn ON due to the low tire.
3. However, after driving the vehicle for up to 20
minutes above 15 mph (24 km/h), the TPMS Warn-
ing Light will flash on and off for 75 seconds and
then remain on solid.
4. This occurs for each subsequent ignition key cycle, a
chime will sound and the TPMS Warning Light will
flash on and off for 75 seconds and then remain on
solid.
5. Once you repair or replace the original road tire and
reinstall it on the vehicle in place of the compact
spare tire, the TPMS will update automatically and
the TPMS Warning Light will turn OFF, as long as no
tire pressure is below the low-pressure warning limit
in any of the four active road tires. The vehicle may
5
SAFETY 97
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