I have a 2005 Sport. I bought newer (08/09) exterior door mirrors with turn signal indicators in them. Please tell me how to "retrofit" them to work on my car. My car has heated seats.

 

I don't know for sure but I am guessing in 2005 the door mirrors did not have an option for the signal indicators. If that is the case you will have to splice into the signal indicator wires under the dash or under the hood, then feed that wire through the flexible wire channel between the door and the door frame, then up to the mirror. Here is an example of how to run wire into a door: