92 Ill. Adm. Code 442.490
Tires and Wheels
Section 442
Section 442.490 Tires and
Wheels
a) See the FMVSS for requirements (49 CFR 571.120).
b) Wheels and rims may be black, gray or manufacturer's colors.
c) A spare tire is the purchaser's option. If the spare tire is
carried inside it shall be securely mounted so that it in no way interferes
with the passenger seating accommodations, the emergency door operations or
aisle space.