The Button car plan, also known as the Button plan, was the informal name given to the Motor Industry Development Plan, a Hawke government initiative intended to rationalise the Australian motor vehicle industry and transition it to lower levels of protection. It took its name from Senator John Button, the then federal Minister for Commerce, Trade and Industry.

United Australian Automobile Industries (UAAI) was an automobile model sharing firm that operated in Australia between 1987 and 1996 as the result of an agreement between Holden and Toyota Australia. The joint venture resulted in the two companies sharing production of locally produced automobiles by selling their models under both brands.