Toyota PRIUS ALPHA 2012 Quick Reference Manual page 549

5-2. Steps to take in an emergency
CAUTION
■
When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
●
ABS & Brake assist
●
VSC
●
TRAC
●
Cruise control (if equipped)
●
Dynamic radar cruise control (if equipped)
●
Pre-collision system (if equipped)
●
LKA (if equipped)
●
EPS
●
Rear view monitor system (if equipped)
●
Advanced parking guidance system (if equipped)
●
Navigation system (if equipped)
■
Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure
to observe this precaution may lead to an accident causing death or seri-
ous injury.
534