Q&A

 Master

Check the oil level in the engine first and if it is OK and there are no clattering noises in the engine it may be the switch that has failed but you cannot take a chance and drive it hoping it is a switch failure because you risk serious engine damage if it is the oil pump that has failed and you drive it. For piece of mind have it towed to a repair shop, they will replace the switch and or verify oil pressure using an oil pressure gauge.