Not sure how you plan to pay for the vehicle. If you are financing, it looks like Toyota is offering 1.9% APR for up to 60 months on the Corolla. You could try to find a better deal from a credit union but that's a pretty decent interest rate.
It's okay but he can probably do better. Dealerships are putting out a lot of low-interest financing promos right now. Even if there isn't one available this second, wait for the next holiday sale and there will be. Toyota has done several 0% promotions, though I'm not sure if that is 36 or 60 months.