2014 Buick Regal Owner Manual - Page 227

Driving and Operating Curves in the Road 9-47 Warning (Continued) Give extra attention in curves and be ready to use the brakes if necessary. Select an appropriate speed while driving in curves. ACC may operate differently in a sharp curve. It may reduce the vehicle speed if the curve is too sharp. { Warning On curves, ACC may not detect a vehicle ahead in your lane. You could be startled if the vehicle accelerates up to the set speed, especially when following a vehicle exiting or entering exit ramps. You could lose control of the vehicle or crash. Do not use ACC while driving on an entrance or exit ramp. Always be ready to use the brakes if necessary. ACC may detect a vehicle that is not in your lane and apply the brakes. ACC may occasionally provide an alert and/or braking that is considered unnecessary. It could respond to vehicles in different lanes, signs, guardrails, and other stationary objects when entering or exiting a curve. This is normal operation. The vehicle does not need service. { Warning On curves, ACC may respond to a vehicle in another lane, or may not have time to react to a vehicle in your lane. You could crash into a vehicle ahead of you, or lose control of your vehicle. (Continued) When following a vehicle and entering a curve, ACC may not detect the vehicle ahead and accelerate to the set speed. When this happens, the vehicle ahead symbol will not appear.