2008 Acura RL Owner's Manual - Page 296

Main Menu Table Of Contents Adaptive Cruise Control (ACC) Message U.S. Description ACC detects a vehicle ahead of you. You will hear a beep when the vehicle moves out of the ACC radar sensor's range. Message Description ACC has automatically cancelled because of bad weather or other conditions. You will hear three beeps. CANADA Features U.S. ACC does not detect a vehicle ahead of you. You will hear a beep when ACC detects a vehicle ahead of you. Apply the brakes immediately. Your vehicle is too close to the vehicle ahead of it. You will hear a continuous beep. CANADA ACC has automatically cancelled because its radar sensor in the front grill is dirty. You will hear three beeps. ACC needs to be checked. Have your vehicle checked by a dealer. 2008 RL 293