Check the Air Bag Sensors under the front bumper cover,Driver Side,Passenger Side. Two wires to each...one might have come loose

 

 

Other areas to check,

• Remove the center console trim. Unplug a few connectors on the back of the panel. Now look up into the airbag side of the passenger area. The yellow connector, press it closed more and wiggle it some.
• Disconnect the battery. Remove the screws on the backside of the steering wheel. Gain access to replace the 'clock-spring' device.

The airbag light on my 2006 has been on for 2 years. I've tried several things with no success yet.

The airbag light on my 2007 TC was a loose connector to the passenger side airbag. The light then went off.

As @VinceBoomBots mentioned, those airbag sensors up front on the bottom side of the bumper frame needs inspection. There is another set in the rear bumper too in hard to reach places.

 

Thank you very much for the detailed description and the pictures!
I'll play with this for a while I think