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Failure performing a reset
The system does not function properly if a
reset has not been carried out, for instance
a flat tire is reported though tire inflation
pressures are correct.
Malfunction
The yellow warning light flashes and
is then illuminated continuously. A
Check Control message is displayed.
It may not be possible to identify tire pres-
sure losses.
Examples and recommendations in the fol-
lowing situations:
– A wheel without TPM wheel electronics,
for instance an emergency wheel, is
mounted: have it checked by a dealer’s
service center or another qualified serv-
ice center or repair shop as needed.
– Malfunction: have system checked by a
dealer’s service center or another quali-
fied service center or repair shop.
– The system was unable to complete the
reset. Perform a system reset again.
– Interference caused by systems or devi-
ces with the same radio frequency: after
leaving the area of the interference, the
system automatically becomes active
again.
Declaration according to NHTSA/
FMVSS 138 Tire Pressure Monitoring
System
Each tire, including the spare (if provided)
should be checked monthly when cold and
inflated to the inflation pressure recom-
mended by the vehicle manufacturer on the
vehicle placard or tire inflation pressure la-
bel. (If your vehicle has tires of a different
size than the size indicated on the vehicle
placard or tire inflation pressure label, you
should determine the proper tire inflation
pressure for those tires.) As an added safety
feature, your vehicle has been equipped
with a tire pressure monitoring system
(TPMS) that illuminates a low tire pressure
telltale when one or more of your tires is
significantly under-inflated. Accordingly,
when the low tire pressure telltale illumi-
nates, you should stop and check your tires
as soon as possible, and inflate them to the
proper pressure. Driving on a significantly
under-inflated tire causes the tire to over-
heat and can lead to tire failure. Under-infla-
tion also reduces fuel efficiency and tire
tread life, and may affect the vehicle's han-
dling and stopping ability. Please note that
the TPMS is not a substitute for proper tire
maintenance, and it is the driver's responsi-
bility to maintain correct tire pressure, even
if under-inflation has not reached the level
to trigger illumination of the TPMS low tire
pressure telltale. Your vehicle has also been
equipped with a TPMS malfunction indica-
tor to indicate when the system is not oper-
ating properly. The TPMS malfunction indi-
cator is combined with the low tire pressure
telltale. When the system detects a mal-
function, the telltale will flash for approxi-
mately one minute and then remain contin-
uously illuminated. This sequence will
continue upon subsequent vehicle start-ups
as long as the malfunction exists. When the
malfunction indicator is illuminated, the
system may not be able to detect or signal
low tire pressure as intended. TPMS mal-
functions may occur for a variety of rea-
sons, including the installation of replace-
ment or alternate tires or wheels on the
vehicle that prevent the TPMS from func-
tioning properly. Always check the TPMS
malfunction telltale after replacing one or
more tires or wheels on your vehicle to en-
sure that the replacement or alternate tires
and wheels allow the TPMS to continue to
function properly.
Seite 158
CONTROLS Safety
158
Online Edition for Part no. 01405A1E4E3 - II/20
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