Other Engine Info: Dual continuously variable cam phasing
Plant City: Changwon
Plant Company Name: GM Korea
Plant Country: South Korea
Plant State: S. Korea
Seat Belts All: Manual
Series: LS
TPMS: Direct
Transmission Style: Automatic
Valve Train Design: Dual Overhead Cam (DOHC)
Vehicle Type: PASSENGER CAR
Windows: 4
Model year
COMPONENT
Complaint
2013
VEHICLE SPEED CONTROL
WHILE DRIVING ON THE HIGHWAY WITH THE CRUISE CONTROL SET AT 70 MPH, THE VEHICLE KEPT ACCELERATING AND SLOWING DOWN. BY WATCHING THE TACHOMETER, I COULD SEE THE RPMS GO UP AND DOWN CONTINUOUSLY, AND FEEL THE VEHICLE SURGING FORWARD AND SLOWING AGAIN. THE VEHICLE ALSO DID THIS WITH THE CRUISE CONTROL SET AT 60 MPH. WHILE DRIVING ON THE STREET AND COASTING, YOU CAN FEEL THE TRANSMISSION SHIFTING UP AND DOWN, AND THE VEHICLE WILL SUDDENLY ACCELERATE ON IT'S OWN, MAKING THIS A VERY DANGEROUS SITUATION SINCE IF YOU ARE NOT ALERT, YOU MAY BE DRIVEN INTO THE BACK OF THE VEHICLE IN FRONT OF YOU. *TR