What is the reason when the thumb shifter cannot be shifted?

[JaydenDella]

The reason why the thumb shifter cannot be shifted is that the shift cable and housing are severely rusted. Below is an introduction about automotive parts: 1. Introduction: Automotive parts are the individual units that make up the entire vehicle and products that serve the vehicle. 2. Identifying genuine parts: (1) Check the packaging and printing: Genuine parts usually have standardized packaging with uniform specifications and clear, regular printing. (2) Check the color and paint: Some original parts have specific colors on their surfaces. If you encounter other colors, they are likely counterfeit or inferior parts. (3) Check the appearance and feel: Genuine parts have clear and regular printing, casting, or markings, while counterfeit products have rough appearances.