Product QA: 1.Is the product easy to install? Is it a lossless installation with a pair of plugs? Do you want to embed the original Vehicle Interior Carkeys? This product is a universal type, fully wired installation, and requires a professional installation technician (with installation experience). If the original Vehicle Interior Carcomes with a chip anti-theft, installing this product requires embedding the original Vehicle Interior Caranti-theft chip, otherwise it cannot be started remotely 2. What models can this product be installed in? This system is universal and can be used on almost any 12V car, provided that the Vehicle Interior Caritself does not have a button or knob to start the engine and requires professional installation. Please go to a professional installation shop to install this Vehicle Interior Caralarm or ensure that you know how to install it. 3.If I install this product, will my Vehicle Interior Carbecome unsafe? Because it will lose its original anti-theft capability This product has anti-theft function. After correct installation, when the vehicle is locked, the button cannot be used to start the engine inside the car. The intelligent anti-theft function of this intelligent ignition system exceeds or even exceeds the anti-theft function of the Vehicle Interior Caritself 4.Is there a malfunction in the ignition system that prevents the Vehicle Interior Carfrom starting? This product adopts automotive grade relays and cables, with stable and reliable quality. Therefore, in general, please check the power supply of the Vehicle Interior Carwhen it cannot be started. All of our products have passed strict quality inspections and are guaranteed to function properly when leaving the factory. Model DQD-LY Features: 1. Lock/unlock/remotely start using the remote key or app. 2. The original Vehicle Interior Carremote control starts remotely. 3. One click start/stop engine. 4. Compatible with the original Vehicle Interior Caranti-theft system. 5. Engine lock (after the module is locked, the button cannot be used to start the engine). 6. Automatically lock the door while driving, and automatically open the door when the engine is turned off. 7. Remote opening of the trunk through a key or app (requires the vehicle to have a controllable circuit). 8. Select gasoline mode/diesel mode through the switch (preheating during startup). Packaging list: 1 * Ignition control module 2 * Install wiring harness 2 * Remote control keys 1 * Start stop button 1 * Product manual