Answer
The answer is as follows. 
Katrielle and the Millionaires' Conspiracy walkthrough
Puzzle Location: London Times offices (PC Beate)
This car park sign has been vandalised, nad no longer makes any sense.
Can you move two rods back to how they were so that the sign conveys there is a car park here?
Slide the rods to move them, and touch them to rotate.
If you put the sign back to how it was, it will show the location of the car park.
The car park is to the left.
How can you indicate a car park using a letter of the alphabet?
Make a 'P' on the right-hand side of the sign.
The answer is as follows.