Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground) behind a motor home.
■To avoid serious damage to your vehicle Do not tow your vehicle with all four wheels on the ground.
Toyota CH-R Service Manual > Lighting System: Taillight Relay Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the operation of the
TAIL relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following procedure.
Before replacing the main body ...
Toyota CH-R Service Manual > Lighting (int): Map Light Bulb
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE NO. 1 MAP LIGHT LENS
Click here
2. REMOVE MAP LIGHT BULB
(a) Remove the 2 map light bulbs as shown in the illustration.
Remove in this Direction
3. INSTALL MAP LIGHT BULB
(a) Install the 2 map light bulbs as show ...