RepairPal Certified shops can diagnose and repair your 2003 Lexus ES300. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
About 75000 miles. You do you have 11 years on the vehicle as well. So, it may be prudent to do this now regardless of mileage. When a timing belt goes, the interference engine is usually toast as well.