my odomiter dose not change at 299,999

Hello, I don't show any information regarding this via workshop manuals. As a result, I'd suggest reaching out to a shop near you with an experienced Toyota technician who can weigh in. My guess is that it could be the system will not exceed that number. But, I'm just not certain. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops