The heated seats are the most welcome additions on the cold morning. they are equipped heating elements to the cars existing front seats.
In each kit,there are two rear/back and two bottom/seat heating elements.
They can worked well under leather seat covers, cloth or vinyl.Also can be installed on all kinds of cars(from a motorcycle to a ferrari).
The most common place to install the seat heater switches are the front dash below the CD Radio, near the gear box cover,vehicle seat panels or on the door panels.