2009 Prius: drive belt question

Common sense: Alas, the maintenance guide just says “inspect” from 60k to 125k (the last scheduled maintenance in the guide). Some of the internet postings suggest replacement at 100k; if that’s a good guide, then I have a little time to order the parts. Others have done it earlier, but blame it on living in the desert.

KRiley: Good point, if the drive belt is like a timing belt, replace 10k miles early. On the other hand, I wouldn’t buy a brand new battery right now to avoid the chance of it fizzling out, not when people get plenty more than 90k miles out of the original. Or maybe I should…