You can control your car projects made using Arduino control cards using the bluetooth module.
Lettering that should be written while coding the project;
Forward = F
Back = B
Right = R
Left = L
Stop= S
Horn sound= V
Horn Off= v
Open headlight = W
headlight cover= w
Taillight on= U
Taillight off= u
Enable obstacle avoidance mode = E
Disable obstacle avoidance mode= e