2009 Acura MDX Owner's Manual - Page 365

Main Menu Table Of Contents Vehicle Stability Assist (VSA®), aka Electronic Stability Control (ESC), System, Active Damper System VSA and Tire Sizes Driving with varying tire or wheel sizes may cause the VSA to malfunction. When replacing tires, make sure they are of the same size and type as your original tires (see page 419). If you install winter tires, make sure they are the same size as those that were originally supplied with your vehicle. Exercise the same caution during winter driving as you would if your vehicle was not equipped with VSA. U.S. Sport Packages and Canadian Elite models The system provides two selectable modes. Sport mode: The system prioritizes handling response, vehicle body control and tire-to-road adhesion to allow for higher performance handling. Comfort mode: The system prioritizes road isolation to allow for a more comfortable ride. Driving The active damper system is always on, constantly adjusting your vehicle's dampers to the best settings for current road conditions along with vehicle speed and handling inputs. The system uses electrically controlled dampers to enhance handling precision, vehicle composure, tire to road adhesion and rough road ride comfort isolation. The system reacts to inputs from various electronic sensors to give exactly the right amount of suspension damping to provide optimal ride comfort and handling. Either mode can be used in any type of operating conditions. CONTINUED 2009 MDX 361