TC means traction control. If you don't know what you are doing, it is probably a good idea to just leave it on. I don't have heated seats in my Saturn. So I don't know the answer to your second part, but if I was a betting man, I would think they would be on the seat itself. Check next to the seat adjustment controls on the left side of the seat.
If the seats are leather, and there is a button on both the passenger and driver seats
To turn on the heated seats in a 2012 Ford Explorer, locate the heated seat buttons on the center console or the side of the seats. Press the button with the heated seat icon to activate the seat heater; the indicator light will illuminate when it's on. To turn it off, simply press the button again. Make sure to check both the driver's and passenger's seat buttons if applicable.
To turn on the heated seats in a 2005 Dodge Magnum, locate the heated seat control buttons on the center console or the side of the front seats. Press the button with the seat icon that has heat waves to activate the heating function. Depending on your model, you may have options for low or high heat settings. The indicator light will illuminate to show that the heated seats are on.
There is a round push button on the side panel of each front seat, located between the seat and the door. Push this button to activate or deactivate the heated seat feature.
its in the owners here https://sites.google.com/site/autowners/
In a 2005 Audi A4, the switch for the heated seats is typically located on the center console, near the gear shifter. There are usually two buttons for each front seat, allowing you to adjust the heat level. Each button generally has a heated seat icon to indicate its function. If you have rear heated seats, the controls may be located on the rear armrest.
Many toyota models offer heated seats
Saturn Ion Has 2 seats in the front and 2 seats in the rear.
In the Renault Megane Dynamique Convertible, the heated seats button is typically located on the center console, near the gear shift. It may be represented by a seat icon with heat waves. Depending on the model year, there may be separate buttons for the driver and passenger seats. If you're having trouble locating it, consult the owner's manual for your specific model.
there are heated seats in my 2002 lxi
yes it does it actually haas heated and cooled seats!
The monthly fee for heated seats in this car is 20.