Regenerative braking
Found this on the net:
"Been doing some research on the controller and you can unlock some features like cruse and 3 speed switch if you connect the right pads.
A2 goes to 5v when ebrake engaged
K1 3speed switch (green)
K2 3speed switch (blue )
Q cruise
X + DS Regen braking
6/12 motor learning
ZL PAS sensor~
XS throttle restrictor
SL Ebrake active low
SH Ebrake active high"
