Product QandA: 1.Is the product easy to install Is it a lole installation with a pair of plugs Do you want to embed the original car keys This product is a universal type, fully wired installation, and requires a profeional installation technician (with installation experience). If the original car comes with a chip anti-theft, installing this product requires embedding the original car anti-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 car itself does not have a button or knob to start the engine and requires profeional installation. Please go to a profeional installation shop to install this car alarm or ensure that you know how to install it. 3.If I install this product, will my car become 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 car itself 4.Is there a malfunction in the ignition system that prevents the car from starting This product adopts automotive grade relays and cables, with stable and reliable quality. Therefore, in general, please check the power supply of the car when it cannot be started. All of our products have paed strict quality inspections and are guaranteed to function properly when leaving the factory. Model DQD-LY Features: 1. Lock or unlock or remotely start using the remote key or app. 2. The original car remote control starts remotely. 3. One click start or stop engine. 4. Compatible with the original car anti-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 or diesel mode through the switch (preheating during startup). Packaging list: 1 x Ignition control module 2 x Install wiring harne 2 x Remote control key 1 x Start stop button 1 x Product manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.