If the taillight is not on, first check whether the taillight cable is connected properly. If the connection no problem, there is a problem with the controller or the taillight itself, and the controller needs to be replaced.

1) If the throttle of the car body does not respond when pressed to the end, it may be that non-zero start is set. In the case of boot, the sliding speed can reach 5km/h.

2) If there is no response, it is the acceleration dial or controller fault, need to replace the acceleration dial or controller.

1) Check whether the end of the line connecting the car body is correctly connected and whether the needle inside the end is broken or bent.

2) Replace the instrument.

1)Check charger indicator light, green light normal; If the red light is blinking or off, replace the charger.

2) Check the charging port again. If the charging interface line is loose and falls off, the charging interface should be replaced.

3) Finally check the battery, whether waterproof marked become red, If become red ,The water into the battery and need to replace the battery; A multimeter is available to check whether the battery output voltage is normal.

If the headlight is not on, check whether the vehicle is powered on. When the vehicle switch is on, click the power button to check whether the headlight is on. If the headlight is not on, try several times or replace the headlight component.

1)If the fingertip of the car body does not rebound, first observe whether there is obstruction between the right hand set and fingertip, if there is obstruction, adjust the position of the right hand set, there must be 5mm distance between the right hand set and fingertip.

2) The screw is too tight. Loosen the screw appropriately.

Do not remove the battery without permission. Otherwise, a short circuit may occur. After removing the battery pack, the internal circuit of the car body will be exposed. The internal circuit has a high voltage, and it is likely to receive electric shock when touching the internal circuit. To avoid danger, do not remove the battery pack by yourself. If the car body problems can contact Hengzhihe after-sales service for consultation, customers can provide professional maintenance video according to customer service for self-inspection and maintenance.

The front and rear inner and outer tubes are 10 inches in diameter.

Download APP installation by scanning QR code of M3 electric scooter or entering the application market to search KugooKirin. Initial password: 000000; Support Android and iOS platforms. For Android phones, upgrade the system to Android 4.3 or later, and for apple phones, upgrade the system to iOS 8.0 or later, and bluetooth 4.0 or later.

If there is a problem with the scooter, it is necessary to provide the video or description of the problem, the order tracking number and the body code (which can be viewed on the floor of the vehicle) to the after-sales service of Hengzhihe. The customer service will provide the return label or send it back to Hengzhihe warehouse for maintenance. (The warehouse does not support cash on delivery)

Connect the mobile phone APP when the electric scooter is on, and adjust the maximum speed required in the setting interface.

There are three riding modes: low speed, normal and high speed. Low speed mode: maximum speed 18km/h, smooth throttle output, suitable for beginners familiar riding. Normal mode: top speed of 25km/h, throttle output is smoother than the vulgar mode. High-speed mode: maximum speed of 40km/h, throttle output is large.

Although the electric scooter is partially waterproof, for your safety, please avoid riding in rainy weather.

Weight over 120kg is not completely unacceptable. But the heavier you are, the gentler you need to drive. In addition, the car's ability to climb hills and surmount obstacles decreases when it weighs more than 120kg. If you are tall and heavy, please ride carefully.

The applicable age of electric scooter is 16-50 years old, the applicable height is 120-190cm, the maximum load is 120kg, and the maximum climbing slope is 24%. Please do not ride after drinking, and do not ride after taking drugs that may affect judgment.

Non-zero start: taxi at a speed of 5km/h, stand on the car, press the finger knob to accelerate. If you do not reach 5km/h taxi speed, the throttle will not activate.