How do I install this lamp?

Thanks for everyone's answers. I really did not want to take my ash tray housing, radio, and the temperature control unit out just to install this bulb. So I removed my glove box, reached in the opening to disconnect my right defroster duct and unscrewed the nut that holds the temperature control unit to the backside of the dash. I popped the bulb into the opening that is for the light on the far right-handed side of the temperature control and fan motor unit. The L-shaped bracket slid over the post next to the bulb opening and once the nut was reinstalled, the bracket was held tight.

After everything was put back together, I had a nice blue light on my temperature/fan control unit.