2011 Subaru Impreza Owner's Manual - Page 298

Starting and operating 7-35 . In the circumstances listed in the following, the vehicle may be more unstable than it feels to the driver. The Vehicle Dynamics Control System may therefore operate. Such operation does not indicate a system malfunction. - on gravel-covered or rutted roads - on unfinished roads - when the vehicle is fitted with snow tires or winter tires . Activation of the Vehicle Dynamics Control system will cause operation of the steering wheel to feel slightly different compared to that for normal conditions. . Even if the vehicle is equipped with a Vehicle Dynamics Control system, it is important that winter tires be used when driving on snow-covered or icy roads. (All four wheels should be fitted with tires of the same size and brand.) . It is always important to reduce speed when approaching a corner, even if the vehicle is equipped with Vehicle Dynamics Control. . All four wheels should be fitted with tires of the same size, type, and brand; furthermore, the amount of wear should be the same for all four tires. If these precautions are not observed and non-matching tires are used, it is quite possible that the Vehicle Dynamics Control system will be unable to operate correctly as intended. . Always turn off the engine before replacing a tire as failure to do so may render the Vehicle Dynamics Control system unable to operate correctly. & Vehicle Dynamics Control mode switch (STI) & Vehicle Dynamics Control system monitor Refer to "Vehicle Dynamics Control operation indicator light" F3-24 and "Vehicle Dynamics Control warning light/Vehicle Dynamics Control OFF indicator light/ Traction Control OFF indicator light (STI)" F3-24. When the switch is pressed briefly or for more than approximately 3 seconds during engine operation, the mode of the Vehicle Dynamics Control System will be changed. ! Vehicle Dynamics Control mode When the ignition switch is on, this mode is selected. This mode enables all controls for ABS, the Traction Control System, and the Vehicle Dynamics Control system. Select this mode for most driving situations. When this mode is selected, the Vehicle Dynamics Control mode indicator light " " on the combination meter turns off. - CONTINUED -