WHILE DRIVING MY FRIENDS 01 DAKOTA, AT ABOUT 10-15 MPH AFTER MAKING A RIGHT HAND TURN I HYDROPLANED AND I WAS T-BONED ON PASSENGER SIDE. I HAD MY SEATBELT ON. WHEN THE TRUCK CAME TO A STOP AFTER SPINNING AROUND AND FACING THE OPPOSITE DIRECTION. ON IMPACT MY SEATBELT FAILED TO RESTRAIN ME AND I WAS THROWN INTO THE BACK SEAT WHERE MY HEAD HIT THE REAR WINDOW AND I SUB STAINED A VERY LARGE GASH TO MY HEAD.