We could throw out some idea but scanning why the check engine light is on is going to your best route. Report back with the codes and we can dive a little deeper. If you need to find a shop near by check out this link.
https://repairpal.com/repair-shops
Alex
RepairPal Certified shops can diagnose and repair your 2012 Toyota RAV4. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.