Chabad.org has a great description of the different parts of the Jewish wedding. We have some different customs, but this will give you an idea of what to expect. https://www.chabad.org/library/article_cdo/aid/476757/jewish/Jewish-Wedding-Ceremony.htm
Yes, there is a parking lot at the reception hall. Street parking is not allowed, so please park in the lot.
Gentlemen, please wear suits. Ladies, please wear garden party/cocktail dresses. Kindly dress modestly.