2012 TOYOTA PRIUS PLUS warning light

232 2-1. Driving procedures
PRIUS +_OM_OM47821E_(EE)
NOTICE
Hybrid battery (traction battery) charge
If the shift position is in N, the hybrid battery (traction battery) will not be
charged. To help prevent the battery from discharging, avoid leaving the N
position selected for an extended period of time.
Situations where P position control system malfunctions are possible
If any of the following situations occurs, P position control system malfunc-
tions are possible.
Immediately stop the vehicle in a safe place on level ground, apply the park-
ing brake, and then contact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
When the “WHEN PARKING, APPLY PARKING BRAKE SECURELY”
warning message appears on the instrument cluster. (P. 473)
When the parking lock system warning light is illuminated.
When everything except the shift position indicator selection frame is illu-
minated.
When the shift position indicator remains off.
Notes regarding shift lever and P position switch operation
Avoid repeatedly operating the shift lever and P position switch in quick suc-
cession.
The system protection function may activate and it will not be temporarily
possible to shift the shift position other than P. If this happens, please wait
for a while before attempting to change the shift position again.

247 2-2. Instrument cluster
2
When driving
PRIUS +_OM_OM47821E_(EE)
Engine speed
On hybrid vehicles, engine speed is precisely controlled in order to help
improve fuel efficiency and reduce exhaust emissions etc.
There are times when the engine speed that is displayed may differ even
when vehicle operation and driving conditions are the same.
Brightness of the instrument cluster light
If the headlight switch is turned to ON while the surrounding area is dark, the
instrument cluster lights will dim.
When disconnecting and reconnecting 12-volt battery terminals
The average fuel consumption and cruising range will be reset.
NOTICE
To prevent damage to the engine and its components
The engine may be overheating if the high coolant temperature warning light
comes on or flashes. In this case, immediately stop the vehicle in a safe
place, and check the engine after it has cooled completely. (P. 528)
The trip information display at low temperatures
Allow the interior of the vehicle to warm up before using the liquid crystal
information display. At extremely low temperatures, the information display
monitor may respond slowly, and display changes may be delayed.

248
2-2. Instrument cluster
PRIUS +_OM_OM47821E_(EE)
Indicators and warning lights
The indicator and warning lights on the instrument cluster inform the
driver of the status of the vehicle’s various systems.
Instrument cluster
Some indicators and the units used on the trip information display
etc. may differ depending on the target region.
Instrument panel

250 2-2. Instrument cluster
PRIUS +_OM_OM47821E_(EE)
*1: These lights turn on when the “POWER” switch is turned to the ON
mode to indicate that a system check is being performed. They will
turn off after the hybrid system is on, or after a few seconds. There
may be a malfunction in a system if a light does not come on, or if the
lights do not turn off. Have the vehicle inspected by any authorized
Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.
*2: The light flashes to indicate that the system is operating.
*3: The light comes on when the system is turned off. The light flashes
faster than usual to indicate that the system is operating.
Eco Driving Indicator
Light (P. 243)
(if equipped)
“PCS” warning
(P. 308)
EV drive mode indica-
tor (P. 221)
SRS airbag on-off
indicator (P. 1 7 1 )
Shift position indicators
(P. 224)
*1*1, 3

251 2-2. Instrument cluster
2
When driving
PRIUS +_OM_OM47821E_(EE)
Warning lights
Warning lights inform the driver of malfunctions in any of the
vehicle’s systems. (P. 469)
*1: These lights turn on when the “POWER” switch is turned to ON
mode to indicate that a system check is being performed. They will
turn off after the hybrid system is on, or after a few seconds. There
may be a malfunction in a system if a light does not come on, or if
the lights do not turn off. Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another duly qualified and
equipped professional.
*2: The light flashes to indicate a malfunction.
(red)
(yellow)(if equipped)(if equipped)
(if equipped)(if equipped)(yellow)(if equipped)(yellow)
*1*1*1*1*1*1*1
*1*1*1*1*1*1*1
*1*1, 2*1*1

252 2-2. Instrument cluster
PRIUS +_OM_OM47821E_(EE)
CAUTION
If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS airbag warning light
not come on when you start the hybrid system, this could mean that these
systems are not available to help protect you in an accident, which could
result in death or serious injury. Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional immediately if this occurs.

254 2-2. Instrument cluster
PRIUS +_OM_OM47821E_(EE)
Switching the head-up display
On/off
When on, the indicator light on
the “HUD” switch comes on.
Head-up display contents
Speedometer
Displays the vehicle speed.
Touch tracer display
The steering switches operation status is displayed for confirmation
purposes. (P. 255)
Turn-by-turn navigation*
Displays a notification of upcoming intersections during navigation
system route guidance. (P. 256)
Dynamic radar cruise control*
Displays the approach warning. (P. 280)
PCS (Pre-Crash Safety System)*
Indicates that there is a possibility of collision. (P. 307)
*: If equipped

291 2-4. Using other driving systems
2
When driving
PRIUS +_OM_OM47821E_(EE)
Warning lights, warning code and buzzers for dynamic radar cruise
control
Warning lights, warning code and buzzers are used to indicate a system
malfunction or to inform the driver of the need for caution while driving.
The warning codes displayed on the meter indicate the following situations.
Fix each problem in accordance with the correction procedure, and check
that the system is operating normally.
If the warning code persists even after fixing, have the vehicle inspected by
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
Warning code/
warning lightDetailsCorrection procedure
(yellow)Indicates that the radar
cruise control sensor is
dirty or covered with
ice.Clean the sensor.
(yellow)Indicates that the radar
cruise control system is
unable to judge vehi-
cle-to-vehicle distance.If the windshield wip-
ers are on, turn them
off or set them to either
the intermittent or the
slow mode.
(yellow)Indicates a malfunction
in the radar cruise con-
trol system.Press the “ON-OFF”
button once to deacti-
vate the system, and
then press the button
again to reactivate the
system.