What to Do When the Rear Car Window Won't Roll Up?

[DeJeffrey]

The methods to address a rear car window that won't roll up are: 1. Wet a cloth, fix it to a chopstick, and slide it back and forth in the guide channel to clean; 2. Spray lubricant on the rubber to adjust it, maintaining the rubber's flexibility and reducing dryness and cracking; 3. Replace the window regulator assembly. The reasons why the rear car window won't roll up are: 1. Excessive dirt or foreign objects in the glass guide channel; 2. Aging of the window glass rubber and accumulation of dust; 3. Failure of the window regulator components. The functions of car glass are: to meet the needs of interior lighting, ventilation, and the visibility of drivers and passengers. Depending on the installation position, it can be categorized into front windshield, rear windshield, side windows, and door windows.