Your vehicle is not designed to be dinghy towed (with four wheels on the ground) behind a motor home.
NOTICE
- To avoid serious damage to your vehicle

Do not tow your vehicle with four wheels on the ground.
- To prevent causing serious damage to the transmission and Active Torque Control 4WD system (AWD models)

2WD models: Never tow this vehicle from the rear with the front wheels on the ground. This may cause serious damage to the transmission.

AWD models: Never tow this vehicle with any of the wheels on the ground. This may cause serious damage to the transmission and Active Torque Control 4WD system.
Trailer towing tips
Interior featuresIf your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your Toyota
dealer or a commercial towing service, using a lift-type truck or a flat bed truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System)
2. REMOVE NO. 2 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System)
3. REMOVE FRONT LICENSE PLATE BRACKET
(a) Remove the 2 screws and ...
Interior Light Power Source Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls operation of
the DOME CUT relay in order to supply power to the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this ...