VEHICLE WAS IN MOTION ON A COUNTY HIGHWAY APPROXIMATELY AT 45 OR 50 MPH. PAT STEERING AND VEHICLE ALSO MAY HAVE LOST POWER RESULTING IN CROSSING INTO LEFT LANE AND STRIKING A TREE. YES, THERE WAS DEER IN THE AREA AT THE TIME BUT THEY IN NO WAY. CAUSED THE ACCIDENT. APPEARED I HAD NO STEERING OR POSSIBLY BRAKES. STRUCK AN ASH TREE HEAD ON, PASSENGER SIDE TOTAL LOSS OF VEHICLE. SPENT 3 WEEKS IN THE HOSPITAL, FORTUNATE TO STILL BE ALIVE!! REPORTING THIS AS IT IS DEFINITELY A SAFETY ISSUE