The rear view mirror's position can be adjusted to enable sufficient confirmation of the rear view.
Adjusting the height of rear view mirror
The height of the rear view mirror can be adjusted to suit your driving posture.
Adjust the height of the rear view mirror by moving it up and down.

Anti-glare function
Responding to the level of brightness of the headlights of vehicles behind, the reflected light is automatically reduced.
Changing automatic anti-glare function mode
On/off
When the automatic anti-glare function is in on mode, the indicator illuminates.
Vehicles without a smart key system: The function will be set to on mode each time the engine switch is turned to the "ON" position.
Vehicles with a smart key system: The function will be set to on mode each time the engine switch is turned to IGNITION ON mode.
Pressing the button turns the function to off mode. (The indicator also turns off.)

■To prevent sensor error To ensure that the sensors operate properly, do not touch or cover them.

Doing so may lead to mishandling of the vehicle and cause an accident, resulting in death or serious injury.
Steering wheel
Outside rear view mirrorsToyota CH-R Service Manual > Rear Door Belt Moulding: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration)
that must be performed after parts are removed and installed, or replaced during
the rear door belt moulding removal/installation are shown below.
Necessary Procedure After Part ...
Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The transponder key ECU assembly controls the immobiliser system. Immobiliser
system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle
Data Link Connector 3 (DLC3).
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
...