After power on, hold the UP button for about 2 seconds, the headlight will turns on

You may refer to this video:https://youtu.be/K8qqZSRjSKQ (Nemo/Volador)
You may refer to this video:https://youtu.be/iy6plC161mU (Dolphin/Beluga)

The battery is charged by plugging the DC plug into the receiver located under the seat.  Once it is attached, you can connect the other end of the plug into an AC wall outlet.

If you can not place the bike next to a wall outlet, you can disconnect the battery connector at the seat post's bottom end. Twist off the adapter until it detaches, then open the seat post's quick-release lever and slide out the seat post. Then you can take it with you to charge as described above.

After charging the battery, you can slide the seat post back on the bike, use the quick release to adjust the seat to the desired height, and close the quick-release lever. Then reattach the twist connector to the bottom of the seat post and secure it tightly.

After power on, keep your Quali e-bike stand still(speed=0km/h), and hold the DOWN button for about 2 seconds, the WALK mode(speed<6km/h) will be engaged, release the DOWN button will exit WLAK mode.

After powering on, keep riding your Quali e-bike(speed>7km/h), then hold the DOWN button for about 2 seconds, the CRUISE mode will engage, press any button, or using the brake will exit CRUISE mode.

Check whether the throttle is pressed before powering on, mostly will be pressed by the display, keep them away from each other; disconnected the throttle, if 01_info disappears, that might be some failures with the throttle, please connectinfo@qualisports.us

Disconnect the pedal assist sensor(located between the left crank and bottom bracket), it 06_info disappear, that might be some failures with the pedal assist sensor, please contactinfo@qualisports.us