Toyota PRIUS ALPHA 2012 Quick Reference Manual page 553

5-2. Steps to take in an emergency
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
■
The hybrid system will not start even though the correct
starting procedure is being followed (→P. 192)
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.
(→P. 541)
● There may not be sufficient fuel in the vehicle's tank.
Refuel the vehicle.
● There may be a malfunction in the immobilizer system.
(→P. 135)
● There may be a malfunction in the P position control system.
(→P. 197, 509)
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: It may not be possible to shift the shift position from P to another
position.
■
The interior lights and headlights are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (→P. 543)
● The 12-volt battery terminal connections may be loose or cor-
roded.
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