Canon EOS Rebel SL2 Mode D'emploi page 131

Focusing on a subject other than a human face
If you press the <L> button, the AF point <z> will appear at the
screen center, and you can use the <V> cross keys to move the AF
point. Once the AF point <z> achieves focus, the AF point will also
move to track the subject if you change the composition or if the
subject moves.
Smooth Zone: o
The selected Zone AF frame is used to focus. The AF area is larger
than with [Live 1-point AF].
Zone AF frame
Take the picture.
4
Check the focus and exposure, then
press the shutter button completely to
take the picture (p.120).
Display the Live View image.
1
Press the <A> button.
The Live View image will appear on
the LCD monitor.
3 Focusing with AF
129