Canon EOS Rebel SL1 18-55mm IS STM Kit Instruction Manual page 337

The shutter makes two shooting sounds during
Live View shooting.
If you use flash, the shutter will make two sounds each time you shoot
(p.151).
With FlexiZone - Multi, it takes longer to autofocus.
Depending on the shooting conditions, focusing the subject may take
longer. Either use FlexiZone - Single or focus manually.
During Live View and movie shooting, a white <s> or red
<E> icon is displayed.
It indicates that the camera's internal temperature is high. If the white
<s> icon is displayed, the still photo's image quality may deteriorate.
If the red <E> icon is displayed, it indicates that the Live View or
movie shooting will soon stop automatically (p.178, 212).
Movie shooting stops by itself.
If the card's writing speed is slow, movie shooting may stop
automatically. Use an SD Speed Class 6 "
find out the card's reading/writing speed, refer to the card
manufacturer's Web site, etc.
If the movie shooting time reaches 29 min. 59 sec., the movie shooting
will stop automatically.
The ISO speed cannot be set for movie shooting.
In shooting modes other than <a>, the ISO speed is set
automatically. In the <a> mode, you can freely set the ISO speed
(p.186).
Troubleshooting Guide
" or faster card. To
337