Canon EOS Rebel XS Instruction Manual page 50

Shooting Moving Subjects _yyyy_J
To photograph a moving subject, whether it is a child running or a
moving vehicle use the <,_> (Sports) mode.
-'._ Shooting T_ps
® Use a telephoto lens.
Using a telephoto lens is recommended so you can shoot from afar.
Use the center AF point to focus.
Aim the center AF point over the subject, then press the shutter
button halfway to auto focus. During autofocusing, the beeper will
continue beeping softly, if focus cannot be achieved, the focus
confirmation light <@> will blink.
When you want to take the picture, press the shutter button
completely If you hold down the shutter button, continuous shooting
(max approx. 3 shots per sec.) and autofocusing will take effect.
_'_ Under low light if camera shake is prone to occur, the viewfinder's shutter
speed display on the bottom left will blink. Hold the camera steads/and
shoot.
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