Interior LED Lights

I looked around and couldn't find anything specific on this, but I feel like it's probably been answered already.

If there is another thread on how to do this please point me in that direction.

I'm looking to install some LED's in the floor wells of my Cruze.

Where do I tie in to get them to turn on with the dome light?


--I decided to go with blue LED's to kind of match the interior of my car. Right now it's wrapped in Matte Metallic Apple Green with Matte Black roof and accents. Thinking about a re-wrap with a matte blue to match.