Why is oil warning light flashing primera?

A flashing oil warning light in a Nissan Primera typically indicates low oil pressure, which can be caused by insufficient oil levels, a failing oil pump, or a blocked oil filter. It's crucial to check the oil level immediately and add oil if necessary. If the light continues to flash after addressing the oil level, it may be indicative of a more serious issue, and you should have the vehicle inspected by a mechanic as soon as possible to prevent engine damage.