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 > Can Communication System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
PRECAUTIONS WHEN TROUBLESHOOTING
NOTICE:
Because the order of diagnosis is important to allow correct diagnosis,
make sure to begin troubleshooting using How to Proceed with Troubleshooting
when CAN communication system related DTCs are output.
If the C ...
Toyota CH-R Service Manual > Lin Communication System: Front Passenger Side Door ECU Communication Stop (B2322)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for front passenger door) and main body ECU (multiplex network body
ECU) stops for 10 seconds or more.
DTC No.
Detection Item
DTC Detection Condition
...