What is the reason why the rear car window cannot be raised?
2 Answers
The rear car window cannot be raised due to a malfunction in the window regulator switch. Here are the solutions for window glass malfunctions: 1. Window initialization: Perform an initialization procedure on the window to restore its raising and lowering function. 2. Clean the glass guide channel: Dust accumulation in the guide channel creates resistance to the window's movement. 3. Overheat protection mechanism: The window regulator motor has an overheat protection mechanism to safeguard the power supply circuit. When components overheat for any reason, the motor enters an overheat protection state, and the raising and lowering function will return to normal after some time.
As an experienced driver who has driven for many years, I often encounter the issue of rear windows not rolling up, which can have several possible causes. Worn-out switches are the most common, especially in frequently used vehicles, where contact point wear leads to signal failure. Debris like sand or leaves stuck in the tracks can also jam the glass, making it immovable. Sometimes, the motor fails, particularly in older cars where the motor's lifespan has expired. More severe issues involve electrical problems, such as blown fuses or relay malfunctions, which require a multimeter to diagnose. Additionally, in winter, frozen tracks due to low temperatures may temporarily prevent the window from rising. I recommend first trying the manual switch—if there's no response at all, promptly visit a professional repair shop to avoid safety risks, as a stuck window can lead to water leakage during rain or hazards from children playing with it. Regular track cleaning and minimizing frequent switch usage can reduce the likelihood of this issue.
