Help got a clicking sound coming from the gear shifter

I was sitting in my car listening to the radio and i was looking at the Shift Lock Release on my 93 LS. I turn the car off and it was in park and i stuck my key in the shift lock release and it let me move it out of park, But since i did that when the car has power and is in park when i touch the break i hear a clicking sound coming from the gear shift area, when i put the key is did i trip some sort of sensor that needs to be reset?

If any one has any ideas or even knows what im talking about please post and info that you mave have, cus any info will help out.

-Ron