You can find one in the richer part of town, the street that is supposed to be Rodeo Drive (I think it's a Bijan reference, as he was known to park his on the street in front of his boutique).

If you steal it as Michael and keep it in your garage you can randomly switch to him and he'll be in the garage, waking up with the music blaring.

i'm out.
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"WHOLESALE REUSABLE GROCERY BAGS!!"
@etfp