My car has started consuming too much motor Oil. First I ignored it in the sense that I just added same motor oil. I think it started when I started to use fully synthetic motor Oil. My last Oil change was done at the dealer ship Sterling McCall Lexus at about 116,000 Miles. I got Low Oil warning at 118,000. I added 2 quarts, then at exactly at 120,000, today, I got another low oil warning. This bothers me a lot. I had told the dealership about the problem. I do not think they have done anything about it, except to put a marker in the dipstick. There is no smoke, no oil leak.