2008 Toyota Sienna Owners Manual - Page 234

08 SIENNA_U (L/O 0801) If the indicator or buzzer comes on... Do this. Check if third seat operation is completed. (o) Third seats warning light and buzzer Dynamic laser cruise control master warning light Check if an object is caught between third seat and seatback and/or between third seat and floor. If nothing is caught, contact Toyota dealer. Check condition according to warning code. If system malfunctions, contact Toyota dealer. (p) (q) Key reminder buzzer Remove key. 193 2008 SIENNA from Aug. '08 Prod. (OM45455U)