Toyota does not recommend towing a trailer with your vehicle.
Toyota also does not recommend the installation of a tow hitch or the use of a tow hitch carrier for a wheelchair, scooter, bicycle, etc. Your vehicle is not designed for trailer towing or for the use of tow hitch mounted carriers.

Vehicle load limits
Dinghy towingToyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Illumination Circuit
DESCRIPTION
Power is supplied to the radio and display receiver assembly and steering pad
switch assembly illumination when the light control switch is in the tail or head
position.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipped with a Supplemental Restrain ...
Toyota CH-R Service Manual > Continuously Variable Transaxle System: System Description
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
(a) The K114 (CVT) is a fully electrohydraulically controlled steel belt type
continuously variable transaxle. This is a highly efficient transaxle that is controlled
in conjunction with the engine, contributing to enhanced fuel efficiency and quietness
...