TSB: WARRANTY OPERATION CODES UPDATED. SOME 2004 – 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. FOLLOW THE PROCEDURE IN THIS BULLETIN TO REPLACE THE FRONT SEAT BELT ASSEMBLIES TO ADDRESS THIS CONDITION.
