The electric vehicle's hazard lights, headlights, and repair switches have different functions. The hazard lights are used to issue warning signals to alert others to the vehicle's presence. While the headlights are used to light up the road ahead to improve visibility while driving. The repair switch is used when there is a malfunction or problem with the vehicle, allowing the rider to attempt repairs or seek assistance. Properly functioning switches are essential for safe operation, and any faults should be addressed promptly.1. Multiple functions: Handle switch can realize emergency lights, headlights, repair and other functions of electric vehicles, with complete functions. 2. High safety: handlebar switch has anti-slip design, with high safety, in rainy days can also ensure the operation of the vehicle. 3. Convenient disassembly: handlebar switches are usually easy to maintain and replace, and individuals can also assemble and replace. 4. Simple operation: the switch shape is different, a hand operation can also distinguish the type of switch, and a press or a push can be successfully operated, to easily control the electric vehicle.Compatible with most electric tricycles / vehicles and other models1. The electric vehicle is powered off and placed on the horizontal plane. 2. Remove the old handle with a wrench and keep the screw in the back. 3. Install the new handle according to the previous position of the old handle. Do not connect wrong cables when connecting cables. 4. Next fix the new handle. Do not tighten the screw too tightly, because it will easily damage the handle. 5. Finally, turn on the power switch and test whether everything is normal.Electric drivers to a wide variety of styles, arbitrary selection, complete functions. If you have any questions or products you want, please feel free to consult our customer service. Our contact number and email are on the website.