Also if you have a concealed permit from another state you can carry in your vehicle,but only in your vehicle.
430 ILCS 66/40...
(e) Nothing in this Act shall prohibit a non-resident from transporting a concealed firearm within his or her vehicle in Illinois, if the concealed firearm remains within his or her vehicle and the non-resident:
(1) is not prohibited from owning or possessing a
firearm under federal law;
(2) is eligible to carry a firearm in public under
the laws of his or her state or territory of residence, as evidenced by the possession of a concealed carry license or permit issued by his or her state of residence, if applicable; and
(3) is not in possession of a license under this Act.
If the non-resident leaves his or her vehicle unattended, he or she shall store the firearm within a locked vehicle or locked container within the vehicle in accordance with subsection (b) of Section 65 of this Act
After the law was passed,but before the IL started issuing resident ccl's,non residents could carry,in their vehicles, in our state before residents could.