2009 Acura RL Owner's Manual - Page 426

Main Menu Table Of Contents Collision Mitigation Brake System (CMBS) When you turn the ignition switch to the ON (II) position, the CMBS is turned on if it was on previously. Automatic Shut Off Any of the conditions below can cause the CMBS to shut off. When the system shuts off, the CMBS indicator in the instrument panel comes on, and a CHECK CMBS SYSTEM message appears on the multi-information display for about 5 seconds. An abnormal tire condition is detected (wrong tire size, flat tire, etc.). Extended off-road or mountainous driving. Driving your vehicle with the parking brake applied. Driving your vehicle in bad weather (rain, fog, snow, etc.). A dirty emblem on the front grille. The CMBS will automatically recover when these conditions are improved. Driving 2009 RL 423