The following warning indicates the possibility of damage to the vehicle that may lead to an accident. Immediately stop the vehicle in a safe place and contact your Toyota dealer.

Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
Have the vehicle inspected immediately.Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power back door ECU (power back door motor unit)*1 or back door closer
ECU (multiplex network door ECU)*2 controls the vehicle's back door closer system
functions. Back door closer system data and Diagnostic Tr ...
Hill-start assist control
Hill-start assist control helps to prevent the vehicle from rolling backwards
when starting on incline or slippery slope.
To engage hill-start assist control, further depress the brake pedal when the
vehicle is stopped completely.
A buzzer will sound o ...
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 SLIDING ROOF GLASS SUB-ASSEMBLY
(a) Fully open the No. 2 sliding roof glass sub-assembly.
(b) Using a T20 "TORX" socket wrench, remove the 6 screws and No. 1 sliding
roof glass sub-assembly.
...