So this got me wondering, and I logged into the Lexus owner's site. Here's what I saw. Note the link in the upper right corner. It is the same schedule I posted in my previous post. So, they have conflicting information even today on their own website.

 

Interesting, just checked my 2006 Owner's Manual Supplement (7/05 date printed on the back cover) and it says nothing about the 7,500 mi standard. It is strictly every 5,000 miles or 6 month's. I took delivery of mine in August 2006.

 

Both my owners manual and the maintenance sheet the dealer gave me when I picked up the car state 6 months or 8000km/5000miles. I will go by time as I don't put enough mileage on to go by the other.