2012 Acura RL Owner's Manual - Page 430

Collision Mitigation Braking SystemTM (CMBSTM) The CMBS will automatically switch on again if the conditions that caused it to switch off are improved. CMBS Indicator CMBS INDICATOR The CMBS indicator normally comes on under these conditions: When you manually switch off the system. When the system shuts off automatically. When you drive in bad weather (rain, snow, fog, etc.). If anything covers the radar sensor cover (dirt, mud, dry leaves, wet snow, etc.). When the VSA system indicator comes on (see page 435 ). This indicator comes on for several seconds when you turn the ignition switch to the ON (II) position. It also comes on and stays on when you turn the CMBS off by pressing the CMBS OFF button. To switch the CMBS back on, make sure the vehicle is stopped and the ignition switch is in the ON (II) position, then press the CMBS OFF button for about 1 second. 424