The Automobile Club of Southern California is the Southern California affiliate of the American Automobile Association (AAA) federation of motor clubs. The Auto Club was founded on December 13, 1900, in Los Angeles as one of the nation's first motor clubs dedicated to improving roads, proposing traffic laws, and improvement of overall driving conditions. Today, it is the single largest member of the AAA federation, with almost 8 million members in its home territory of Southern California, more than 16 million members across all subsidiaries in 21 states, and an annual budget in excess of $2 billion.

American Automobile Association is a federation of motor clubs throughout North America. AAA is a privately held not-for-profit national member association and service organization with over 60 million members in the United States and Canada. AAA provides services to its members, including roadside assistance and others. Its national headquarters are in Heathrow, Florida.