Here's the photo step by step . . . It is NOT necessary to remove the control unit from the center stack . . .

dcp_4935_zps511a6e44.jpg

Remove the ***** by pulling them straight outward (you may also need the gentle assist of a small prying tool as shown) . . .

dcp_4936_zps30d5a1be.jpg

The bulbs are under little white plastic flaps . . . 9:00 o'clock position left side and 3:00 o'clock position right side . . . note that my right side flap has broken off . . .

dcp_4937_zps137fc03d.jpg

Turn the shafts to rotate that black part out of the way . . . Screwdriver is pointing to the left side flap . . .

dcp_4938_zpsaed4d172.jpg

Unfortunately, the plastic gets brittle with age and I broke the right side flap off when I pried it up . . . Note the bulb socket showing on the right side . . .

dcp_4938_zpsaed4d172.jpg

Use an appropriate size soda straw to slip over the bulb and wiggle / pull it out . . .

dcp_4939_zps62e704b3.jpg

The bulb is a sub-miniature wedge base bulb that has a green silicone cap on it. This is the bulb

https://www.fcpeuro.com/products/mer...-072601-012230

Found them here too . . . a bit less expensive . . .

http://www.allbatterysalesandservice...fm/4,1107.html

Now I need to find the little silicone caps (because I damaged mine) . . .