Tyre Pressure Monitoring System (TPMS)
As an important safety feature, your vehicle's Tire Pressure Monitoring System (TPMS) emits a warning light when one of your tires is significantly underinflated. This video explains how the system works. When the TPMS warning light comes on you must manually check the pressure with a tire pressure gauge and inflate to the correct pressure if required.
TIRE PRESSURE MONITORING SYSTEM
WARNING LAMP
The tyre pressure monitoring system does not replace manual tyre pressure monitoring. For more accurate measurements, you should check your tyre pressure with a tyre pressure gauge at least once a month. Failure to maintain the correct tyre pressure increases the risk of tyre damage, loss of control, vehicle rollover and personal injury. See also "Inflating the tyres" in this chapter.
Reading the TPMS Gauge
How TPMS works
The Tyre Pressure Monitoring System (TPMS) has a low tyre pressure warning light which illuminates when one or more tyres are heavily deflated. However TPMS is not a substitute for proper tire maintenance and it is the responsibility of the driver to maintain proper pressure. Your tires may be partially deflated even though they are not under extreme pressure which causes the TPMS warning light to illuminate.
Response to TPMS light
When the TPMS warning light comes on you should stop as soon as possible to check the pressure in your tyres and inflate them to the correct pressure. If the TPMS light illuminates but goes out after a few minutes you should still check your tires. Travelling with heavily deflated tyres will cause them to overheat and fail. Reduced pressure also reduces fuel efficiency and tread life and can affect vehicle handling and brake performance.
Tire Maintenance
Manual tyre maintenance
It is important to check the pressure of all four tyres every month, as well as the pressure of the spare tyre (if your vehicle has one). Since tyre pressure varies with temperature, it is important to check it after parking the vehicle for at least three hours when the tyres are cold.
Determining the correct tyre pressure
All tyres must be inflated to the pressure recommended in the vehicle brochure or on the tyre pressure label. If your vehicle has tyres of a different size from those in the vehicle brochure or on the tyre pressure label, consult other sources to determine the correct pressure.
TPMS Failure
The TPMS badge for faulty operation
If the TPMS is not working correctly the TPMS warning light will illuminate for approximately one minute and then remain on. In the event of a system malfunction the flashing sequence is repeated when the vehicle is started to indicate that the TPMS is not functioning correctly.
When the malfunction indicator is active the system may not detect or warn of low tyre pressure. TPMS malfunctions can occur for a variety of reasons including replacement of tires or wheels which prevent the TPMS from working properly. Always check the TPMS malfunction indicator after replacing your vehicle's tires or wheels.
Note: The tire pressure monitoring system complies with Part 15 of the FCC rules and Industry Canada RSS-210. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
How to change tyres with a tyre pressure monitoring system
Performing vehicle maintenance
You should always have your tyres checked by an authorised dealer.
Locating the tyre pressure sensor
Each tyre is equipped with a pressure sensor located inside the wheel and the tyre mounting hole. Because the sensor is attached to the valve stem, it is hidden by the tyre and is not visible unless you remove it. If you change one of your tyres, be careful not to damage the sensor.
When the temporary spare wheel is installed
If you have replaced one of your tires with a temporary one, the TPMS still indicates that there is a tire pressure problem to remind you to replace the part. The TPMS will resume normal operation once the damaged wheel and tire assembly has been repaired and replaced on your vehicle.
Troubleshooting
If you think your system isn't working properly
Fixed low pressure tyre warning light
Action
One or more tires may be underinflated. Make sure the tires have the correct pressure. See "Inflating Tyres" in this chapter. After inflating the tyres to the manufacturer's recommended pressure, as indicated on the tyre label (located on the door edge or in column B), the vehicle must be driven at 20 mph (32 km/h) for at least two minutes before the lights go out. For a description of how the system works when a spare tyre is used, see "When fitting the temporary spare tyre" in this section. The TPMS may be malfunctioning. If the light remains on even when the tyres are correctly inflated and the temporary spare is not used, contact your authorized dealer as soon as possible.
Flashing low tyre pressure warning light
Action
When the spare wheel is used, this light comes on. Repair the damaged wheel and tire assembly and put it back on the vehicle to resume normal system operation. For a description of how the system works when a spare tire is used, see "When the temporary spare tire is installed" in this section. The TPMS may be malfunctioning. If the light remains on even when the tyres are correctly inflated and the temporary spare is not used, contact your authorized dealer as soon as possible.
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