a user-settable auto-off function extends typical battery life to three hundred hours.

How would the previous sentence be correctly capitalized?
Answer: A user-settable auto-off function extends typical battery life to three hundred hours.
in the post- apostolic period, and even earlier, the church was characterised by tomb paintings [note 2] and the mysteries.

How would the previous sentence be correctly capitalized?
Answer: In the post- apostolic period, and even earlier, the Church was characterised by tomb paintings [note 2] and the Mysteries.
you can control him through a lengthy career mode which takes you from humble beginnings to worldwide championships.

How would the previous sentence be correctly capitalized?
Answer: You can control him through a lengthy career mode which takes you from humble beginnings to worldwide championships.
'this development, together with extremely low failure rate, means that we can now guarantee an additional 6,000 hours'.

How would the previous sentence be correctly capitalized?
Answer: 'This development, together with extremely low failure rate, means that we can now guarantee an additional 6,000 hours'.