2007 Volvo S80 Owner's Manual - Page 144
2007 Volvo S80 Manual
Page 144 highlights
if the speed of vehicles ahead is significantly different from your own speed. The radar sensor has a limited field of vision. In some situations it may detect a vehicle other than the one expected or not detect vehicles at all. In certain situations, the radar sensor cannot detect vehicles at close quarters, for example a vehicle that suddenly enters the lanes between your vehicle and the one that the system has already detected. Small vehicles, such as motorcycles, or vehicles not driving in the center of the lane may remain undetected. 147 04 Comfort and driving pleasure Adaptive Cruise Control-ACC In curves, the radar sensor may detect the wrong vehicle or lose a detected vehicle from view. Operation Activate and resume settings, increase speed Standby mode, on/off Set distance Activating and setting the speed Driver operation