Agogs Barack User Manual page 19

To clear Trip distance hold both the M button and - button for 2 seconds.
This ebike has 5 levels of assistance plus level 0
with no motor support. Each level as assistance
assists rider with a different motor power. Level
1 is the lowest assistance and level 5 is the
highest assistance.
There is a red boost button on left
handlebar. Use this button when you need
to accelerate rapidly. You can also use this
button independently of PAS up to 6 kph
(walk along mode).
Display will turn off automatically after 1 0 minutes of idle.