After getting the note and trying to figure out what they're talking about, it appears they use one of their cars to block out an area that allows them to park out front after work maybe with one of their cars partly blocking their drive, but of course my bike fits right in there even though another car wouldn't. But how would I know that and why would I care? So essentially, I think I screwed up their little scheme they've probably been doing for who-knows-how long.

Parking, or the lack thereof, in San Francisco drives motorists to revert to their worst self Just for fun, we've kept close tabs on all of the passive-aggressive , and plain aggressive , notes that've been slapped on car windshields from pissy drivers unable to find parking, most notably in the Bernal Heights neighborhood.Now it appears the parking rage is trending down in the Mission District where one motorist recently received some very pointed notes from his neighbors who believe their parking needs are more important than anyone else's. Chris Cohen, a local motorcyclist, describes a recent baffling event where heparked his bike in a public spot only to find the above note taped to his gas tank upon his return.Here's Cohen trying to make sense of it all: Our advice to the entitled family with multiple cars: rent a garage.