DRIVING APPROX 35-40 MPH SPEEDOMETER WILL NOT SHOW CORRECT SPEED, AND JUMP UP AND DOWN. ABS AND BRAKE LIGHT WILL NOT SHUT OFF, IT HAS STALLED ON A FEW OCCASIONS, AND HAS ACCELERATED ON ITS OWN WHILE BACKING UP. RESULTING IN HITTING A LAMP POST, AND CAUSING REAR BUMPER TO DE DENTED AND AS WELL AS SOME BUCKLING IN REAR PANEL. *NM