Note:Since the logistics rejects all items with batteries, we can only remove the battery from the remote control. After receiving the packaging, please purchase the remote control battery yourself, we apologize for this The battery specification is CR2032 button battery.Compatibility:1.can t work with double pulse unlock signal vehicles 2.can t work with factory push start button vehicles3.can t work with pneumatic door locks vehiclesNO:2 function1. One-key start/stop2. Remote control start/stop3. Remote control start and timed flameout (after 15 minutes of remote control start, the flame will be automatically switched off without getting in the car)4. Smart handbrake detection5. Intelligent oil pump start detection6. Remote trunk open7. Remote car search (horn buzzing, blinking indicator lights)8. Remotely unlock/close the lock9. Step on the foot brake after 15 seconds to automatically release the lock, and automatically unlock after the flame is turned off10. Open the door flashing light when parking on the roadside11. The original car horn alarm prompt (the car horn or additional horn prompt can be selected)12. Prying the door after locking the door triggers an alarm13. Vehicle vibration triggers an alarm prompt14. Automatic anti-theft function (the vehicle cannot be started after the door is locked) NO:3 function1. One-key start/stop2. Remote control start/stop3. Smart handbrake detection4. Intelligent oil pump startup detection5. Remote trunk open6. Remote car search (horn buzzing prompt)7. PKE keyless comfortable entry function, automatically unlocks 1.5-3 meters away from the car, and automatically locks the door 3-5 meters away from the car8. PKE induction temporary shutdown function9. RFID identification10. Anti-theft alarm function (the foot brake triggers the alarm prompt)11. Anti-theft engine lock function (the vehicle cannot be started in the car after the door is locked)12. Step on the foot brake to automatically lock the door after starting, and automatically unlock when the flame is turned off13. The original car horn alarm prompt (can add an alarm horn)14. Power off memory15. Emergency reset function16.Remote start to turn off the flame in 10 minutesNO:4 function1. One-key start/stop2. Remote control start/stop3. Smart handbrake detection4. Intelligent oil pump startup detection5. Remote trunk open6. Remote car search (horn buzzing, blinking indicator lights)7. Open door flashing warning function when parking on the roadside8. After locking the door, prying the door triggers the alarm prompt function9. Remotely unlock/close the lock10. PKE keyless comfortable entry function, automatically unlocks the door 1.5-3 meters away from the car, and automatically locks the door 3-5 meters away from the car11. PKE induction temporary shutdown function12. RFID identification13. Anti-theft alarm function (Illegal opening the door, stepping on the foot brake to trigger an alarm prompt)14. Engine engine lock function (the vehicle cannot be started in the car after the door is locked)15. After starting, step on the foot brake to automatically lock the door, and automatically unlock when the flame is turned off16. Start the automatic lock, turn off the lock automatically17. Original car horn alarm prompt (can add alarm horn)18. Power off memory19. Emergency reset function20. Remotely start and turn off the flame in 10 minutes