Canon EOS R5C Manual page 296

2.
Focus and take the picture.
Once you press the shutter button halfway and the subject is in focus,
the AF point turns green and the camera beeps.
An orange AF point indicates that the camera could not focus on
subjects.
Note
Selecting the face of a person or animal manually by tapping the screen or using
< > changes the AF frame to [
the camera tracks the subject even if it moves within the screen.
To release locked tracking, tap [
] and locks onto that subject for tracking, and
] or press < >.
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