This products function is Close Stop Engine System, your car must have "A off" button,than can use. if your car haven't "A off" button, 't fit for your car. Function: Close the feature of auto & stop Fitment:for 2020-2026 Installation: Remove the panel with tool and connect the cable between factory socket and button socket. Setting: After installation, the engine while stepping on brake pedal, observe for 3-6 seconds. Don't the button. The button light turn red itself. The default setting is that you don't have to close the stop engine function manually every time. If you want it for a moment, the off button to reactivate the function The Hazards of Frequently Starting the Engine 1. Protect the engine consumption 2. Extend car battery life 3. Reduce Frequent startup loss The Difference Before and After Installation: Before installation, you need to manually turn off the and stop every time when you get on the car. After installation, the and stop are closed by default, freeing hands-on operation. Protect the engine, reduce frequent startup damage After the car is started, the and stop be auto-matically closed, effectively preventing the damage of the engine due to frequent starting. Color: Black Material: plastic Package Contents: 1 * Automatic Stop Mode Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.