07 Denali Outside Mirror Question

[gibbynd]

The specs say that the 07 Denali mirrors have a standard heated function in them. However, I have the driver side dimmer mirror, but do not see the heating logo on either mirror. Do I not have heated mirrors because I have the driver side dimmer mirror?

 

[sbrown02]

I believe the button that triggers the heated side mirrors is the same as the rear defrost button.