Just get someone to fill them for you and inspect them. Gas station did mine free, dealer found a nail, so they charged me for fixing it. It was small, too. Didn't feel the tire lose that much air, and it was it the 20s/30s. Better safe than sorry.
Avant Garde M310 18x8.5 Satin Silver. Engine Cover w/ Sonic Blue Accents. Sonic Blue Door Grabs. KW V1 Coilovers. OEM Titanium Headlights. OEM Replica Spoiler. K&N Air Filter.