Chevrolet Malibu Low Fuel Light

Computer Problem 2008 Chevy Malibu 6 Cyl Four Wheel Drive Automatic I Put Gas In My Car And My Gas Light And Gas Meter Keeps Going Up...

I Bought A Used Car Yesterday,and I Put $30 On Gas.and It Says It Has Low Fuel.and The Gas Light Is Still On.its A 2007 Chevy Malibu.

When I Put Gas In And Its Full The Fuel Light Will Come On And The Gauge Will Go To Empty And The Engine Light Will Come On