My 2014 Toyota RAV4 Limited turned 100,000 miles and I took it in for the 100k maintenance. It is not a dealer who serviced my car.
After that, the Check Engine, Tracks OFF and AWD light would come on, not going out after I start. My mechanicseems to be at a loss why it happened and he could not reset them.
I had a fuse to the cigar lighter (I use it for charging the iPhone) that blew a fuse. He reset the fuse for me.