Please capitalize where necessary: by pressing of the siren button an alarm can be silenced or an emergency alarm can be released (optional function).
A: By pressing of the siren button an alarm can be silenced or an emergency alarm can be released (optional function).

Please capitalize where necessary: it was therefore replaced by two 30 and 11 kw compressors.
A: It was therefore replaced by two 30 and 11 kW compressors.

Please capitalize where necessary: downforward = downforward key or the keys down and forward pushed simultaneously
A: DOWNFORWARD = downforward key or the keys down and forward pushed simultaneously

Please capitalize where necessary: when you're finished playing fred's pick up tour 3 check out these great new games that have just been added to game car:
A:
When you're finished playing Fred's Pick Up Tour 3 check out these great new games that have just been added to Game Car: