Though no trains come close enough to logically be the end mode of public transportation, buses stop at convenient locations in all directions from the dealership.
North-South Commuters
Bus 49: Western & Elston/Diversey stop
Bus 50: Damen & Elston/Fullerton stop
East-West Commuters
Bus 74: Fullerton & Elston stop
Bus 76: Diversey & Western/Elston stop