Toyota IQ 2012 Owner's Manual page 353

CAUTION
 When replacing wheels
 Do not use wheels that are a different size from those recommended in the
Owner's Manual, as this may result in loss of handling control.
 Never use an inner tube in a leaking wheel which is designed for a tube-
less tire. Doing so may result in an accident, causing death or serious
injury.
 When installing the wheel nuts
Be sure to install the wheel nuts with the tapered end facing inward.
(P. 333)
iQ_WE_74014E
4-3. Do-it-yourself maintenance
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