Well, the "Change Timing Belt" message popped up on my Cruze once I hit 100k. So with 102k miles I got it changed. There is a really good video on Youtube that really helped. I was able to change it out with the help of a friend in just under 3hrs. Once I got the belt off and was able to bend it backwards, there was hardly any cracking in it at all. While it was up on the Quickjack I also changed out the transmission fluid. I did 2 drain and fills. It takes 3qts at a shot so I changed out 7qts. It has had AMSOIL in it since 10k miles so this was a nice refresh. Also it runs at 220°F, so that hot in a transmission I like to keep the fluid fresh at least every 45 to 50k miles.