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 > Power Mirror Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power mirror control
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Toyota CH-R Owners Manual > Using the driving support systems: PCS (Pre-Collision System)
The pre-collision system uses a radar sensor and camera sensor to
detect vehicles and pedestrians in front of your vehicle.
When the system determines that the possibility of a frontal collision with a
vehicle or pedestrian is high, a warning operates to urge the driver to take evasive
acti ...