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If a tire was changed.
If the tire pressure was changed, or wheels were rotated or replaced.
If there are snow chains on the tires. Using snow chains can cause the system to give false warn‐
ings because snow chains increase tire circumference.
The Tire Pressure Monitoring System (TPMS) may not react at first or may not react at all when
you are driving in a sporty manner, or on snow-covered or unpaved roads, when you are driving with
snow chains, or in certain other situations. A change in the tread circumference of a tire is signaled by
the Tire Pressure Monitoring System indicator in the instrument cluster (telltale).
The tire pressure recommended for the tires originally installed on the vehicle is on a sticker on the
driver door jamb ⇒Tires and wheels .
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the
inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation
pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle plac‐
ard 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 un‐
derinflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check
your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly un‐
derinflated tire causes the tire to overheat and can lead to tire failure. Underinflation also reduces fuel
efficiency and tire tread life, and may affect the vehicle's handling and stopping ability.
Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driver's re‐
sponsibility to maintain correct tire pressure, even if underinflation 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 indicator to indicate when the system
is not operating properly. The TPMS malfunction indicator is combined with the low tire pressure tell‐
tale. When the system detects a malfunction, the telltale will flash for approximately one minute and
then remain continuously 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 malfunctions may occur for a variety of reasons, including the installa‐
tion of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning
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