Important Suitable for all of 12V vehicles. If it is a diesel car, Do not step on the brake first, turn on the meter to warm up for 20 seconds, then step on the brake and long pre to start. About The APP The app can be shared with other family members! Android system: Scan the QR code to download the app to your mobile and install. iOS system: Search ygd carbluetooth in APP Store. Bluetooth APP operation: within 10 meters. What You Can Do with Our Products Basic Function -1Auto lock-unlock door When holding the remote control walking closer/far away the car (Keyle entry) -2 Can Start the car /Turn off Engine via the remote control -3Start /Stop the car using the Push Start button, no need to use the key anymore -4Central Lock system locks the car when starting the car. Unlock when the engine is -5Open the back trunk remotely -6Anti-theft, vibrationalarm -7 Remote control lock/unlock car door -8Click on Start Button to Open ACC and ON Dashboard -9Intelligent Footbrake and Handbrake safety detection -10Remote control find the car Update Function: Use your phone to control your car (Fit for Android &iOS System) -1 Use your Phone to Start the Engine Remotely lock and unlock car door, open trunk, search your car -2Use your Phone to lock and unlock car door -3Use your Phone to Open Trunk -4search your car by your phone ---Package Contents----Package weight: 0.90kgPackage Size(L x W x H): 20.0 * 13.0 * 9.0cm Package Contents: 1 x Main Engine 2 x Remote control 1 x Start Button 2 x Antenna 1 x 6-pin Power Cable 1 x 6-pin Cable 1 x Reset Switch 1 x Vibration Sensor 1 x English Manual