One problem related to seat broken has been reported for the 2003 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Sienna based on all problems reported for the 2003 Sienna.
Mva - other party rear-ended us at 35-40 miles/hr. While we were stopped at a light. Both driver and passenger front seat backs broke. Our vehicle was totaled , other vehicle air bags did not deploy . Appeared to be minimal damage to other vehicle. Pictures of both vehicles available.