A local garage here in town also cleans taxicabs and prepares older cars for resale. If you're looking to scrub off some bugs, try the radiators.
Me? I just walk and witness the annual invasion of gypsy moths and spotted lantern flies.
Gooch wasn't mentioned in my entire history of posting here and a glump could describe a spilled bottle of Emer's Glue All. Or, how about that weird tar like substance often found inside vintage electrical transformers?
They'll tell you to get lost. You don't work there, they don't like talking to tourists and they especially won't tell a tourist anything about their jobs.