OUR 2012 MAZDA CX9 SPORT FWD LOST ALL BRAKE BOOST ON SEVERAL OCCASIONS. MY WIFE COMPLAINED THE VEHICLE WOULD NOT STOP WHEN BACKING. I DROVE THE VEHICLE AND I WAS ONLY ABLE TO STOP THE VEHICLE AFTER SIGNIFICANTLY INCREASING PRESSURE ON THE BRAKE PEDAL. THE MAZDA DEALER ADVISED IT WAS INDEED THE BRAKE BOOSTER. THIS IS A SERIOUS SAFETY ISSUE AND NEEDS TO BE ADDRESSED BY MAZDA AND NHTSA. OUR VEHICLE WAS LESS THAN A YEAR OLD WITH LESS THAN 10000 MILES AT THE POINT OF FAILURE. *TR
2013
ELECTRICAL SYSTEM
THE VOICE ACTIVATED NAVIGATION FEATURE ON THE VEHICLE SHUTS DOWN AND BECOMES INOPERABLE WHEN STOPPING OR ACCELORATING FROM A STOPPED POSITION. THE VOICE ACTIVATED FEATURE ONLY WORKS WHILE IN ONE LONG CONTINUOUS MOTION WHICH DEFEATS THE PURPOSE OF THE HANDS-FREE VOICE ACTIVATED NAVIGATION AND MAKES USING THE SYSTEM DIFFICULT IN URBAN ENVIRONMENTS. THIS CONCERN WAS VOICED TO THE LOCAL DEALER AND SALES STAFF WHO COULD NOT FIGURE OUT WHY THE SYSTEM WAS MALFUNCTIONING THIS WAY AND ADVISED THAT THEY WERE NOT ABLE TO FIX IT. NO REMEDY WAS AVAILABLE AND I AM STUCK WITH A VEHICLE THAT DOESN'T FUNCTION AS IT WAS ADVERTISED TO ME AND SOLD. *TR