What does it mean when the SET light is on in a Jetta car?

1 Answers
DeJade
07/30/25 5:19am
When the SET light is on in a Jetta car, it indicates that the tire pressure may be low. Concept of the SET light: The SET button light is a tire pressure monitoring light. Function of the SET light: When the SET button light is on, it is necessary to check whether the tire pressure is normal. Generally, when the SET light is on, the tire pressure monitoring warning light on the dashboard will also illuminate. Typically, a car's tire pressure monitoring system uses wheel speed sensors to detect the rotation speed of the wheels. When the rotation speed of one wheel differs significantly from the others, the system will determine that the tire pressure of that wheel is insufficient, and the SET button light along with the dashboard tire pressure monitoring warning light will illuminate to alert the driver. How to respond when the SET light is on: Check the tire pressure. If the pressure is low, inflate the tire. If the light remains on after inflation, press and hold the SET button for three seconds until you hear a beep, indicating that the system has reset. The SET light will then turn off automatically.
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