2012 TOYOTA PRIUS PHV battery

253
2-1. Driving procedures
PRIUS PHV_OM_OM47818U_(U)
2
When driving
NOTICE
■
Hybrid battery (tract ion 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 contro l 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 your Toyota dealer.
● When the “P LOCK MALFUNCTION ” warning message appears on the
multi-information display. ( P. 548)
● When the shift position indicator remains off.
■ Notes regarding shift lever an d 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 temporarily not be
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.

268 2-2. Instrument cluster
PRIUS PHV_OM_OM47818U_(U)
Hybrid System IndicatorHybrid System Indicator displays the hybrid system operating condi-
tion and provides Eco-friendly driving assistance in accordance with
the driving conditions and the acceleration.
■ Names and meaning of each icons
When EV Mode Hybrid battery (traction bat-
tery) status (P. 5 8 )
EV indicator
The EV indicator comes on when
driving the vehicle using only the
electric motor (traction motor).
Eco Driving Indicator Light
Turns on when the vehicle is
driven in Eco-friendly.
When HV Mode Hybrid System Indicator
Refer to “Reading Hybrid System
Indicator” below.
Average speed*
Average fuel consumption*
Use the displayed average fuel
consumption as a reference.
*: The current amount since the trip
meter was reset will be displayed.
These functions can be reset by
pressing and holding the “TRIP”
button.
EV driving range ( P. 58)

282 2-2. Instrument cluster
PRIUS PHV_OM_OM47818U_(U)
■System check display
■ Ending display
 P. 243
■ Eco Driving Indicator Light
Eco Driving Indicator Light will turn on when driving power is lower than the
upper limit of Eco driving. It will turn off when the acceleration exceeds the
Eco driving accelerator upper limit or when the vehicle is stopped.
Eco Driving Indicator Light will not operate in the following conditions:
● The shift position is anything other than D.
● The driving mode is set to power mode. ( P. 247)
● The vehicle speed is approximately 80 mph (130 km/h) or higher.
Eco Driving Indicator Light is also displayed when 5-minute consumption, 1-
minute consumption or monthly fuel consumption record is displayed.
Eco Driving Indicator Light can be set to activated or deactivated. ( P. 277)
■ Hybrid System Indicator display when in EV mode
The movement of the bar in response to the operation of the accelerator
pedal may differ in accordance with the status of the hybrid battery (traction
battery). However, this does not indicate a malfunction.
After switching the “POWER” switch to
ON mode, “welcome to PRIUS” is dis-
played while system operation is
checked. When the system check is com-
plete, the normal screen will return.

283
2-2. Instrument cluster
PRIUS PHV_OM_OM47818U_(U)
2
When driving
■
Driving in Eco drive mode
The multi-information display will automatically switch the display to Hybrid
System Indicator, regardless of which display is currently being shown.
(P. 268)
■ Touch tracer display (if equipped)
● The touch tracer display can be set to not display even if the steering
switches are touched.
● Only the circular, rubber-covered switches have a built-in touch sensor.
Touching any of the other switches will not display the touch tracer dis-
play.
■ Display settings can be changed when
The vehicle speed is less than approximately 5 mph (8 km/h).
■ 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 oper-
ation and driving conditions are the same.
■ When the 12-volt battery is disconnected
The following data will be reset.
● Average fuel consumption
● Distance to empty
● Average vehicle speed
● EV driving ratio
● Clock
● Display settings
● Trip meter

290 2-2. Instrument cluster
PRIUS PHV_OM_OM47818U_(U)
■When driving on snowy roads or in other bright environments
When the highest level of brightness has been reached, the display can b\
e
made even brighter by pressing and holding “ ” on the brightness control
button.
Pressing “ ” on the brightness control button or turning the “POWER” switch
off will cause the brightness level to revert to the original level.
■ Display speed setting function
The speedometer can be set to display only when a desired vehicle speed is
reached.
Press and hold the “HUD” main switch while the vehicle is stopped
and while the head-up display is showing only the speedometer.
The speedometer will begin to flash.
Set the desired display speed on the speedometer by pressing “ ”
and “ ” on the display position adjustment button.
Press “ ” to raise the speed and “ ” to lower. The speed will change
by 1 mph (1.6 km/h) each time the button is pressed, and continu-
ously by 10 mph (16 km/h) when the button is pressed and held.
Press and hold the “HUD” main switch to finish setting.
■ Head-up display
The head-up display may seem dark and hard to see when viewed through
sunglasses, especially polarized sunglasses.
Adjust the brightness of the head-up display or remove your sunglasses.
■ When the 12-volt battery is disconnected
The head-up display settings will be reset.
STEP 1
STEP 2
STEP 3

297
2-3. Operating the lights and windshield wipers
PRIUS PHV_OM_OM47818U_(U)
2
When driving
■
Automatic headlight leveling system (if equipped)
The level of the headlights is automatically adjusted according to the number
of passengers and the loading condition of the vehicle to ensure that the
headlights do not interfere with other road users.
■ Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features P. 639)
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

299
2-3. Operating the lights and windshield wipers
PRIUS PHV_OM_OM47818U_(U)
2
When driving
■
Fog lights can be used when
The headlights are on in low beam.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.
Ty p e B
Turns the fog lights
off
Turns the fog lights
on

303
2-3. Operating the lights and windshield wipers
PRIUS PHV_OM_OM47818U_(U)
2
When driving
CAUTION
■
Caution regarding the use of washer fluid
When it is cold, do no use the washer fluid until the windshield becomes
warm. The fluid may freeze on the windshield and cause low visibility. This
may lead to an accident, resulting in death or serious injury.
NOTICE
■When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact your Toyota dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
■ To prevent 12-volt battery discharge
Do not leave the wipers on longer than necessary when the hybrid system is
off.