5
When trouble arises
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5-1. Essential information
PRIUS_U (OM47668U) U.S.A.
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from the air cond itioning after use is normal.)
● Flat-looking tires or uneven tire wear
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the hybrid system
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, s pongy feeling, pedal almost
touches the floor
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PRIUS_U (OM47668U) U.S.A.
What to do if...
What to do if...
A tire puncturesP. 524If you have a flat tire
The hybrid system does not start
P. 108Immobilizer system
P. 538If the hybrid system will not start
P. 543If the 12 volt battery is discharged
The high coolant temperature
warning light comes on
Steam can be seen coming
from under the hood
P. 548If your vehicle overheats
The key is lostP. 540If you lose your keys
The 12 volt battery runs outP. 543If the 12 volt battery is discharged
The doors cannot be lockedP. 6 7Side doors
P. 7 2Back door
The vehicle is stuck in mud or
sandP. 553If the vehicle becomes stuck
