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WHEELS AND TIRES
481
start-ups as long as the malfunction exists. When
the malfunction indicator is illuminated, the sys-
tem may not be able to detect or signal low tire
pressure as intended.
TPMS malfunctions may occur for a variety of
reasons, including the installation of replacement
or alternate tires or wheels on the vehicle that
prevent the TPMS from functioning properly.
Always check the TPMS malfunction telltale after
replacing one or more tires or wheels on your
vehicle to ensure that the replacement or alter-
nate tires and wheels allow the TPMS to con-
tinue to function properly.
Messages in the instrument panel
When the TPMS symbol illuminates, the following
text messages may also be displayed:
•
Tire pressure low: the tire(s) affected will
also be specified.
•
Tire needs air now: the tire(s) affected will
also be specified.
•
Tire pressure system Service required.
If TPMS cannot determine which tire(s) have low
inflation pressure, general messages may be dis-
played, such as:
•
Tire pressure low Check tires
•
Tire needs air now Check tires
TPMS sensors can be installed on the valve hole
area, on the factory-installed wheels as well as on
optional ones.
If a spare wheel or other wheel without a TPMS
sensor is used, a fault message will appear in the
instrument panel after driving for a few minutes.
After changing wheels, always check that the
new wheels have TPMS sensors to avoid a sys-
tem malfunction warning.
TPMS does not replace the need for regular tire
inspection and maintenance.
Recommendations
TPMS sensors should be mounted on all wheels
used with the vehicle, including winter wheels.
NOTE
•
If you change to tires with a different
dimension than the factory-installed ones,
the TPMS system must be reconfigured
for these tires. This must be done by a
trained and qualified Volvo service techni-
cian.
•
If a tire is changed, or if the TPMS sensor
is moved to another wheel, the rubber
valve and valve core should be replaced.
•
When installing TPMS sensors, the vehi-
cle must be parked for at least
15 minutes with the ignition off. If the
vehicle is driven within 15 minutes, a
TPMS error message will be displayed.
WARNING
Incorrect inflation pressure could lead to tire
failure, resulting in a loss of control of the
vehicle.
Turning TPMS off
4
TPMS can be turned off in the center display's
Top view.
1. Park the vehicle and turn off the engine.
2.
Activate ignition mode I.
4
Certain markets only.
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