Usually every Hyundai Elantra will have a button you can push for the gas tank. However, if it won't open, there is a spot in the trunk for a wire and you can disconnect it so you will be able to manually open it
The gas tank on the 2008 Hyundai Elantra holds 14 gal..
The gas tank on the 2005 Hyundai Elantra holds 14.5 gal..
The gas tank on the 2012 Hyundai Elantra holds 12.8 gal..
The gas tank on the 2009 Hyundai Elantra holds 14 gal..
The gas tank on the 2010 Hyundai Elantra holds 14 gal..
The gas tank on the 2004 Hyundai Elantra holds 14.5 gal..
The gas tank on the 2014 Hyundai Elantra holds 12.8 gal..
The gas tank on the 2007 Hyundai Elantra holds 14 gal..
The gas tank on the 2001 Hyundai Elantra holds 14.5 gal..
The gas tank on the 2006 Hyundai Elantra holds 14.5 gal..
The gas tank on the 2011 Hyundai Elantra holds 12.8 gal..
The gas tank on the 2002 Hyundai Elantra holds 14.5 gal..