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
underinflated. 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
underinflated 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
responsibility 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
telltale. When the system detects a malfunction, the telltale will flash for approximately 1 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 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 alternate tires and wheels allow the TPMS to continue
to function properly.
Resetting and recalibrating the benchmark tire pressure
Resetting the tire pressures in the Infotainment system resets the benchmark tire pressure used by the
TPMS to the current tire pressure in the tires based on the circumference of the tires.
x
Switch on the ignition.
x
Press the
#!2
Infotainment button
⇒
Menu and system settings (SETUP)
.
x
Tap the
§
function key to open the
Vehicle settings
menu.
x
Tap the Tires function key.
x
Tap the SET function key in the
Tire pressure monitoring system
menu.
x
If all 4 wheels are set to the correct values, touch the Confirm function key to store the tire
pressures.
x
Touching the Cancel button will prevent the current tire pressures from being stored and the
system will not be recalibrated.
The recalibration must be performed each time the tire pressure in one or more tires has been
adjusted or after one or more tires has been changed, exchanged, or repaired. The new tire pressures
are stored in the system only after at least 20 minutes of normal driving.
If you have reset the benchmark tire pressure when your tires do not have the correct tire pressure,
this will prevent the TPMS from working properly. It may then give false warnings or may not give any
warning even if the tire pressure is too low.
For this reason, it is vital to make certain that all four tires are inflated to the correct pressure
when they are cold, before calibrating the system.
Cold tire tires are tires that have not been driven
more than a couple of miles (kilometers) at low speed within the last 3 hours.
During normal vehicle operation, the system calibrates itself to the tires installed and the changed tire
pressures. The calibrated values are stored and monitored after a long journey at various speeds.
If the wheels are loaded more heavily than normal, for example, if the vehicle is carrying heavy load,
the tire pressure must be raised to the recommended full-load tire pressure before recalibaration
⇒
Tires and wheels
.
Recalibrate the system to reset the benchmark TPMS pressure in the following
situations:
x
After installing tires on your vehicle that have recommended cold tire inflation pressures that are
different from the tires that were taken off.
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