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.
Trailer towingToyota CH-R Service Manual > Lumbar Support Adjuster Assembly: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration)
that must be performed after parts are removed, installed, or replaced during the
lumbar support adjuster assembly removal/installation are shown below.
Necessary Procedure Afte ...
Toyota CH-R Service Manual > Rear View Monitor System: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
Body Electrical > Navigation System > Trouble Codes
(e) Check for DTC ...