DEATH WOBBLE!! VIOLENT SHAKING OF FRONT SUSPENSION. WHEN TRAVELING HIGHWAY SPEEDS 50- 65 HIT VERY SLIGHT BUMP AND STARTS SLIGHT WOBBLE WHICH THEN INCREASES TO UNCONTROLLABLE VIOLENT SHAKING OF FRONT END. ONLY WAY TO STOP IT IS IMMEDIATE HARD BRAKING TO SLOW TO 45 MPH OR LESS. VERY DANGEROUS WHEN IN HEAVY TRAFFIC WITH HEAVY TRUCKS BEHIND AND BESIDE. I AM SHOCKED THAT NOBODY IS DEAD! MOST RECENT WAS YESTERDAY NORTHBOUND I-5 NORTH OF SEATTLE. HAPPENED SO MANY TIMES I LOST COUNT. EVENTUALLY GAVE UP AND SET CRUISE CONTROL TO 45 MPH IN 56-70 MPH TRAFFIC. THIS IS A KNOWN ISSUE THAT PRESENTS A VERY REAL THREAT TO LIFE AND SAFETY. PLEASE HELP!