Join Date: Oct 2007
Location: Catania, Sicily/South Jersey (PHL)/Houston, Texas/Red Stick/airborne in-between
Programs: United Global Svs, AA PlatPro, WN RR, AZ/ITA Freccia, Hilton Diam, Bonvoy Gold, Hertz Prez, IHG
Posts: 3,540
you can leave the country without a problem.
Did USCIS send you a receipt notice for the green card renewel? I know for some in my family they got the receipt and they could enter with the expired green card and that receipt letter.
Ciao,
FH