815 ILCS 710/3
Any person who engages directly or indirectly in purposeful contacts within this State in connection with the offering or advertising for sale or has business dealings with respect to a motor vehicle within the State shall be subject to the provisions of this Act and shall be subject to the jurisdiction of the courts of this State.
(from Ch. 121 1/2, par. 753)
(Source: P.A. 81-43.)