Toyota Matrix 2009 Owner's Manual page 403

5-2. Steps to take in an emergency
CAUTION
When the spare tire is attached
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The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
ABS & Brake assist
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VSC (if equipped)
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TRAC (if equipped)
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Navigation system (if equipped)
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Also, not only can the following system not be utilized fully, it may actu-
ally negatively effect the drive-train components:
Active torque control 4WD system (if equipped)
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