Volunteer LONE STAR MOPAR FEST cannot happen without the team of volunteers that help with all the activities at the Host Hotel and POST HTX. Upon completion of your shift you’ll be given a commemorative MOPARĀ® t-shirt (while supplies last). REVIEW TIME SLOTS, TEAMS, AND SIGN UP >>> Questions, hit us up at info@spacecitylx.com and we’ll get you an answer.Already signed up, stay updated, text TEAM to 713-929-2980.