WHILE TRAVELING HOME IN WET CONDITIONS, MY FRIEND LOST CONTROL OF THE VEHICLE STRIKING 2 FULL SIZE PINE TREES AND TWO ELECTRIC POLES, BASICALLY WE BOUNCED FROM ONE TO THE OTHER HITTING THE FRONT HEAD ON AND FRONT LEFT AND RIGHT BEFORE COMING TO A STOP ON TOP OF A FIRE HYDRANT... THE ONLY AIRBAG TO DEPLOY WAS THE DRIVERS STEERING AIRBAG. I WAS OBVIOUSLY SITTING IN THE PASSENGER SEAT AND DUE TO THE PASSENGER AIRBAG NOT DEPLOYING I SLAMMED MY HEAD INTO THE DASH BEFORE THE SEATBELT LOCKED. THIS NEEDS TO BE LOOKED INTO AND RESEARCHED, MY FRIEND AND MYSELF COULD HAVE AND PROBABLY SHOULD BE DEAD DUE TO THE AIRBAG DEFECT IN THESE VEHICLES, THERE ARE MULTIPLE COMPLAINTS REGARDING THIS STYLE YARIS THAT'S PERTAINING TO THE SAME ISSUE. *TR