You need to zero the force, torque and velocity on the car body and all of the wheels, before you move them...
dBodySetForce(body,0,0,0)
dBodySetTorque(body,0,0,0)
dBodySetAngularVel(body,0,0,0)
dBodySetLinearVel(body,0,0,0)
Btw, it's forward slash '/' for the codebox end tag ;)
dBodySetForce(body,0,0,0)
dBodySetTorque(body,0,0,0)
dBodySetAngularVel(body,0,0,0)
dBodySetLinearVel(body,0,0,0)
Btw, it's forward slash '/' for the codebox end tag ;)