Please see Tech Tip T-TT-0497-18
2011-2018 Toyota Sienna
Some vehicles may experience a condition in which the 2nd row seat, with center seat, exhibits a chirp/squeak noise from the rear seat latches (floor area). This condition is present while driving over...
2008-2011 Highlander Hybrid
Some 2008 – 2011 model year Japan-built Highlander and Highlander HV vehicles equipped with a factory theft deterrent system may exhibit a condition where the security horn is inappropriately triggered and the vehicle has not been disturbed.