People,I have a 2006 Mazda3, I'm going though oil. I cannot visibily see any burnTheing.Not a drop on the engine or ground. Is there something im missing.Appro.3 qaurts every 2-3 weeks. The car 100,000+.

 

Also where is the fuse for the clock?

 

Doing the numbers for 100k on a 2006 - that looks like about 1000 miles in that 2-3 week timeframe and you're adding 3 quarts?
This should be belching tons of smoke out the back to burn that much, It is possible that you don't see it if you're driving... but with that much being burned you should see something. May want someone else to drive and you look - or vice versa.

Or you're just missing something. Let it idle in one spot for a few minutes (5 max) and you may see a puddle form under the car. Use a piece of cardboard to see where any drips start.

The clock should be on the radio circuit - look in your owners manual, but it's one in the passenger fuse box under the glove box area (passenger footwell).