In case of emergency during normal driving, turn off the series switch and press the horn button. At this time, the horn will give off the effect of a police car. If a car whizzes past with an explosion, you need to turn off the stereo, just turn off the series switch.
Extended data:
Matters needing attention
1. The screws and nuts fastened to the bicycle shall be tightened, and shall not loosen or fall off.
2, rotating parts should be flexible operation, can not have stuck, stiff phenomenon. For example, the front and rear wheels should rotate flexibly, and they should not swing from side to side or jump up and down. When the wheel is about to stop, it should be able to swing back and forth briskly, and it should not stop suddenly. The handlebar should rotate freely from left to right, and the pedal shaft and crank should be fastened, and they should not loosen each other and rotate flexibly.
3. The shift position of the gearbox is correct within the shift range, and the shift position should be clear with no gap in the middle.
4. The chain should be elastic and flexible. Shake the crank sprocket back and forth repeatedly by hand, the chain can run flexibly, and there can be no chain jumping or falling.
5. Hold the front and rear parts of the saddle with both hands, and press down the front end of the saddle with one hand. The front end of the saddle should not collapse. Then turn the saddle horizontally with both hands. Do not turn the saddle.
6. Selection of braking and braking system: Hold the handlebar with both hands, brake left and right respectively, and push and pull the bicycle back and forth at the same time. At this time, the wheels should not turn; Loosen the handle and the braking system should be able to reset quickly.
7. The surfaces of all parts shall be clean, free from stains and rust, and the trademark decals shall be complete and clear, free from sharp edges and burrs. There shall be no tingling at the edges such as mud pieces and chain sleeves, and the ends of steel wire ropes such as brakes shall be provided with protective sleeves.
8. Observe the brand or label of the parts. Generally speaking, good parts are marked with obvious trademark marks and the patterns are clear and exquisite, while inferior products are rarely marked or rough.
9. Each part of the switch is sensitive and reliable.
10, the speed regulation is stable and reliable. Turn the speed control handle slowly, and the motor should start and accelerate smoothly. After releasing the handle, the handle can be quickly reset and the motor will decelerate evenly.
1 1, brake power failure is fast and reliable. Turn the speed control handle. After the motor is running, tighten the brake and the motor can be powered off immediately. If there is a power display, you can see that the display is zero.
12, the battery is easy to disassemble and assemble. The weight of lead-acid battery is generally around 13.5kg, because it needs to be disassembled every day, so the position of the battery must be suitable for your body.