How to Reset the Tire Pressure Light on MG3?
3 Answers
The method to reset the tire pressure light on MG3 is to locate the tire pressure monitoring system in the vehicle's onboard computer. There is a 'set' button in this system, and using this button will reset the tire pressure light. Tire pressure monitoring involves real-time automatic monitoring of tire pressure during vehicle operation, alerting the driver to tire leaks or low pressure to ensure driving safety. There are three commonly used tire pressure monitoring methods: Direct Tire Pressure Monitoring: Direct tire pressure monitoring devices use pressure sensors installed in each tire to directly measure tire pressure. Wireless transmitters send pressure information from inside the tire to a central receiver module, which then displays the tire pressure data for each tire. The system automatically alerts when tire pressure is too low or there is a leak. Indirect Tire Pressure Monitoring: When the pressure in a tire decreases, the vehicle's weight causes the rolling radius of that wheel to become smaller, making it rotate faster than the other wheels. By comparing the differences in rotation speeds between tires, the system monitors tire pressure. Indirect tire pressure alert systems essentially rely on calculating the rolling radius of tires to monitor pressure. Introduction to Tire Pressure Monitoring System (TPMS): It combines the advantages of both systems mentioned above. Direct sensors are installed in two diagonally opposite tires, and a four-wheel indirect system is also equipped. Compared to using only a direct system, this hybrid system can reduce costs and overcome the limitation of indirect systems, which cannot detect when multiple tires simultaneously have low pressure. However, it still cannot provide real-time data on the actual pressure in all four tires like a direct system.
Last time my MG3 tire pressure warning light came on, and I successfully reset it myself—it's actually not difficult. First, ensure all four tires have the correct pressure, with the standard value listed on the door label, usually between 230-250 kPa. Park the car securely, turn the key to the ON position without starting the engine, and wait for the dashboard to fully light up. Then, locate the menu button on the steering wheel, typically on the left side, and use the directional keys to navigate to "Vehicle Settings" and select "Tire Pressure Reset." After confirming, the system will prompt the light to turn off, which takes about 10 seconds. After resetting, drive a few kilometers to let the system relearn the normal tire pressure; otherwise, the light may come on again. I always make it a habit to check the tire pressure every month to avoid wear and fuel consumption issues—it's both safe and cost-effective. Remember, the tire pressure must be adjusted correctly before resetting, or it won’t work.
In my auto repair experience, resetting the MG3 tire pressure light is quite common. When customers come in, I first help them adjust the tire pressure, recommending the use of a professional gauge to measure and maintain each tire at the recommended pressure. Then, turn the key to the second position (ignition ON) without starting the engine. Use the button on the right side of the steering wheel to enter the information menu, scroll to the "Tire Pressure" option, and press the confirm button for 5 seconds until the light flashes and then goes off. After resetting, it's essential to test drive for 15 minutes to allow the monitoring system to complete calibration. If successful, the light won't flash again, but if tire pressure is unstable or there's a sensor malfunction, the light will come on, requiring more complex checks. Don't slack on regular tire maintenance—inflate them every quarter to minimize unexpected issues.
