at what milage or age of drive belts should they be replaced on 2005 Hyundai Elantra

I have 40,000 K on this car beside the timing belt at 60K when should the other belts be changed

Asked by for the 2005 Hyundai Elantra
Look at the condition of the belt, if it has cracks in it, replace it, if not, check it at every service between now and the 60K service and replace it when you replace the timing belt.