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Release time: 2020.03.23Provisions in the "Performance Requirements and Test Methods for Passenger Car Tire Pressure Monitoring Systems" issued by the Ministry of Industry and Information Technology，From January 1, 2020，All passenger cars will be forced to install TPMS (Tire Pressure Monitoring System)。It can be seen that the safety of tires has an obvious impact on driving safety，Let’s learn about the tire pressure monitoring system with you today。
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What is the function of tire pressure monitoring system?
TPMS full name Tire Pressure Monitoring System，Real-time automatic monitoring of tires through transmitters with sensor chips installed on each wheel，Discover abnormal tire pressure in time to prevent tire blowouts。
There are two main types of commonly used tire seabet loginpressure monitoring systems:
Direct tire pressure monitoring system，PSB（Pressure-Sensor Based）-TPMS
Pressure sensors fixed in each tire directly measure tire pressure，Send the data to the central receiver through the infinite transmitter，The actual pressure value of each tire will be displayed on the instrument in the car。
Indirect tire pressure monitoring，WSB（Wheel-Speed Based）-TPMS
Compare the speed status of each tire，Identify low tire pressure、Tire damage and other abnormal conditions，And display the alarm light in the instrument。The working principle is simple，When a certain tire pressure decreases，The weight of the vehicle reduces the rolling radius of the wheel，Because each wheel has the same linear speed, its rotation speed is faster than other wheels，This way the controller will detect the difference in tire speed。
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During daily driving, do you pay attention to tire inflation?
Every car will have a standard tire pressure value when it leaves the factory，Usually this value is between 2.3-2.between 9bar。
Tips Where can you usually find the standard tire pressure?
There is a tire pressure label on the B-pillar near the door
Tire pressure is very important for vehicle driving safety，For daily use, it is recommended to use the comfortable tire pressure or full tire pressure on the tire pressure plate，Tire pressure that is too high or too low will cause safety hazards。
When the tire pressure is too high
After a long drive，Internal temperature of tire increases，Gas expands when heated，The tire expands，will cause its elasticity to decrease、The sidewall becomes fragile，Encountering seabet iobumpy roads、External impact，Tire puncture prone。
When the tire pressure is too low
Increased tire contact area，Increased friction，Will lead to increased fuel consumption；At the same time, the tire deformation increases，Will aggravate the internal steel wire、Wear of the ply，Tire puncture in severe cases
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Don’t panic when the alarm occurs
There are three major types of reasons that may trigger tire pressure alarms in daily life:
Tire nailed, leaking
Tire pressure settings are not reset after tire replacement or tire repair
The car has been left undriven for a long time
If the tire pressure monitoring system warning light comes on while driving，Or sound the alarm，Please stay calm，Don’t panic。
1、Turn on the "double flash" and place a warning sign 150 meters behind the vehicle，Check tires。
2、If you have your own car air pump or tire pressure gauge，Can test each tire。
Car air pump
Photo of portable tire pressure checker
In traffic、Driving slowly under the condition of the vehicle and good visibility，Find the nearest repair station for repair。
You can call the FAW-Volkswagen customer care hotline
4008-171-888，We will help you coordinate the nearest rescue。
3、If the tire pressure is within the normal range，Start the switch first，For models with tire pressure reset button，Press the SET key directly for more than 2 seconds；Some models can also be set through the tire pressure monitoring function on the central control screen，Reset it。
As shown below, the common screen tire pressure reset settings are shown.
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