Canon EOS R50 Instruction Manual page 468

2.
Press the <
The tracking frame changes to [
tracking and follows the subject within the screen if it moves. To cancel
tracking, press the <
To choose a subject to focus on when multiple subjects can be
detected, press the <
[
Once tracking begins, the subject is tracked across the entire screen,
regardless of the specified AF area.
3.
Take the picture.
Note
The position of AF areas and points when tracking stops during shooting standby
corresponds to the position before tracking.
When tracking stops while the shutter button is pressed halfway or completely, the
AF area reverts to the state before tracking, but the AF point is centered in the
tracking frame when tracking stops (during [Servo AF]).
> button.
], then use the <
425
], which locks on to that subject for
> button again.
> button to change the tracking frame to
>< > keys.