Toyota SIENNA 2009 Quick Reference Manual page 381

CAUTION
When the spare tire is installed
n
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
ABS & Brake assist
l
VSC
l
TRAC
l
Navigation system (if equipped)
l
5-2. Steps to take in an emergency
I n f o r ma t i o n P r o v i d e d b y :
5
527