Canon EOS Rebel T4i 18-135mm IS STM Lens Kit Instruction Manual page 59

The <A> mode makes the colors look more impressive in nature, outdoor,
and sunset scenes. If the desired color tone is not obtained, use a Creative
Zone mode and select a Picture Style other than <D> and shoot (p.93).
FAQ
The focus confirmation light <o> blinks and focus is not
achieved.
Aim the AF point over an area having good contrast, then press the
shutter button halfway (p.43). If you are too close to the subject,
move away and try again.
Multiple AF points flash simultaneously.
This indicates that focus is achieved at all those AF points. When the
AF point covering the desired subject flashes, take the picture.
The beeper continues to beep softly. (The focus confirmation
light <o> does not light up.)
It indicates that the camera is focusing continuously on a moving
subject. (The focus confirmation light <o> does not light up.) You
can take sharp pictures of a moving subject.
Note that focus lock (p.61) will not work in this case.
Pressing the shutter button halfway does not focus the subject.
If the focus mode switch on the lens is set to <MF> (manual focus),
set it to <AF> (autofocus).
A Fully Automatic Shooting (Scene Intelligent Auto)
Take the picture.
4
Press the shutter button completely to
take the picture.
The captured image will be displayed
for 2 sec. on the LCD monitor.
If the built-in flash is raised, you can
push it back down with your fingers.
59