When the ATOIL light comes on, you should:
1. Pull over to the side of the road in a safe location.
2. Turn off the engine and allow it to cool down.
3. Check the transmission fluid level. If it is low, add fluid until it reaches the proper level.
4. Restart the engine and drive slowly to a transmission shop or dealership.
It is important to avoid driving with the ATOIL light on, as this could damage the transmission. If you cannot get to a transmission shop or dealership immediately, you should keep the fluid level checked and drive slowly.