Owner's Manual
Page 76
...when ACC is activated because the brakes are electronically controlled. WARNING: Do not use ACC when towing a trailer with the radar signals Action Clean the grille surface in front of the radar or remove the object causing the obstruction Wait a short time. Failing to do so may result in loss of... control, which could result in serious injury. Driver Controls Cause The surface of the radar in the grille is dirty or obstructed in some way The surface of the radar in the grille is clean but the message remains in the display Heavy rain or snow is interfering with brake controls...
...when ACC is activated because the brakes are electronically controlled. WARNING: Do not use ACC when towing a trailer with the radar signals Action Clean the grille surface in front of the radar or remove the object causing the obstruction Wait a short time. Failing to do so may result in loss of... control, which could result in serious injury. Driver Controls Cause The surface of the radar in the grille is dirty or obstructed in some way The surface of the radar in the grille is clean but the message remains in the display Heavy rain or snow is interfering with brake controls...