What are the reasons why a car window can only go down but not up?
1 Answers
A car window can only go down but not up due to the following reasons: 1. The window switch is malfunctioning; 2. The window regulator inside the door is rusted or stuck; 3. The window motor inside the door is faulty; 4. There is an obstruction in the window glass track. The functions of a car window include: 1. Providing shelter from wind and rain, and reducing noise; 2. Minimizing wind resistance and improving aerodynamics; 3. Protecting the safety of passengers; 4. Lowering the interior temperature. Methods for maintaining car windows: 1. Use appropriate windshield washer fluid according to the season; 2. Apply heat-insulating film to the car glass. Methods for cleaning car windows: 1. Pour water from the top of the window and wipe off the dirty water with a sponge; 2. Spray glass cleaner evenly on the glass using a high-pressure spray bottle; 3. Dry the glass with a soft cloth.