Please capitalize where necessary: especially if you fantasize about how they might have looked in its heyday.
A: Especially if you fantasize about how they might have looked in its heyday.

Q: additional information that may be collected, such as last name, street address, postal code, town, country code, telephone number and birth date will be stored in the register for the duration of a possible online contest only, so that the winner may be drawn and notified.

A: Additional information that may be collected, such as last name, street address, postal code, town, country code, telephone number and birth date will be stored in the register for the duration of a possible online contest only, so that the winner may be drawn and notified.

Q: do you want to use a search tool that you need to be cautious about?
A: Do you want to use a search tool that you need to be cautious about?

Problem: if you don't want your browser data to be shared in this way, you can install an opt-out.
Can you repeat this sentence, but capitalize it?
Answer: If you don't want your browser data to be shared in this way, you can install an opt-out.

Text: all container stations should have containers for both coloured and transparent glass.

Correct capitalization: All container stations should have containers for both coloured and transparent glass.

Please capitalize where necessary: air conditioners will likewise pull down your mpg. consider just cracking a window and using the air vents when driving at higher speeds.
A:
Air conditioners will likewise pull down your MPG. Consider just cracking a window and using the air vents when driving at higher speeds.