2017 TOYOTA PRIUS PRIME Owners Manual

PRIUS PRIME_OM_OM47A88U_(U)
3455-3. Operating the lights and wipers
5
Driving
■High beam automatic turning on or off conditions
●When all of the following conditions are fulfilled, the high beam will be auto-
matically turned on (after approximately 1 second):
• Vehicle speed is above approximately 21 mph (34 km/h).
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.
● If any of the following conditions are fulfilled, the high beam will be automat-
ically turned off:
• Vehicle speed drops below approximately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have headlights or tail lights turned on.
• There are many streetlights on the road ahead.
■ Camera sensor detection information
●The high beam may not be automatically turned off in the following situa-
tions:
• When oncoming vehicles suddenly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead are hidden from sight due to repeated curves, road
dividers or roadside trees
• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead vehicles have no lights
● The high beam may be turned off if a vehicle ahead that is using fog lights
without using the headlights is detected.
● House lights, street lights, traffic signals, and illuminated billboards or signs
may cause the high beam to switch to the low beams, or the low beams to
remain on.
● The following factors may affect the amount of time taken to turn the high
beam on or off:
• The brightness of headlights, fog lights, and tail lights of vehicles ahe\
ad
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights on one side
• When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the road surface
etc.)
• The number of passengers and amount of luggage
● The high beam may be turned on or off when the driver does not expect it.
● Bicycles or similar objects may not be detected.

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PRIUS PRIME_OM_OM47A88U_(U)
5-3. Operating the lights and wipers
●In the situations shown below, the system may not be able to accurately
detect surrounding brightness levels. This may cause the low beams to
remain on or the high beams to cause problems for pedestrians, vehicles
ahead or other parties. In these cases, manually switch between the high
and low beams.
• In bad weather (rain, snow, fog, sandstorms etc.)
• The windshield is obscured by fog, mist, ice, dirt etc.
• The windshield is cracked or damaged.
• The camera sensor is deformed or dirty.
• The camera sensor temperature is extremely high.
• Surrounding brightness levels are equal to those of headlights, tail lights
or fog lights.
• Vehicles ahead have headlights that are either switched off, dirty, are
changing color, or are not aimed properly.
• When driving through an area of in termittently changing brightness and
darkness.
• When frequently and repeatedly driving ascending/descending roads, or roads with rough, bumpy or uneven surfaces (such as stone-paved
roads, gravel tracks etc.).
• When frequently and repeatedly taking curves or driving on a winding road.
• There is a highly reflective object ahead of the vehicle, such as a sign or
a mirror.
• The back of a vehicle ahead is highly reflective, such as a container on a truck.
• The vehicle’s headlights are damaged or dirty.
• The vehicle is listing or tilting, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeatedly being switched between in an abnormal manner.
• The driver believes that the high beam may be causing problems or dis-
tress to other drivers or pedestrians nearby.

PRIUS PRIME_OM_OM47A88U_(U)
3475-3. Operating the lights and wipers
5
Driving
■Temporarily lowering sensor sensitivity
The sensitivity of the sensor can be temporarily lowered.
Turn the power switch off while the following conditions are met.
• The headlight switch is in or .
• The headlight switch lever is in high beam position.
• Automatic High Beam switch is on.
Turn the power switch to ON mode.
Within 30 seconds after step , repeat pulling the headlight switch lever to
the original position then pushing it to the high beam position quickly 10
times, then leave the lever in high beam position.
If the sensitivity is changed, the Automatic High Beam indicator is turn on
and off 3 times.
Automatic High Beam (headlights) may turn on even the vehicle is stopped.
■ If “Headlight System Ma lfunction Visit Your Dealer” is displayed on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Toy-
ota dealer.
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PRIUS PRIME_OM_OM47A88U_(U)
5-3. Operating the lights and wipers
Fog light switch∗
Ty p e ATurns the fog lights off
Turns the fog lights on
∗: If equipped
The fog lights secure excellent visibility in difficult driving con-
ditions, such as in rain and fog.
Operating instructions
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PRIUS PRIME_OM_OM47A88U_(U)
3495-3. Operating the lights and wipers
5
Driving
Ty p e BTurns the fog lights off
Turns the fog lights on
■Fog lights can be used when
The headlights are on in low beam.
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NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

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PRIUS PRIME_OM_OM47A88U_(U)
5-3. Operating the lights and wipers
Windshield wipers and washer
The wiper operation is selected by moving the lever as follows.
■Intermittent windshield wipers with interval adjuster (if
equipped)
Ty p e A
Off
Intermittent operation
Low speed operation
High speed operation
Temporary operation
Ty p e BOff
Intermittent operation
Low speed operation
High speed operation
Temporary operation
Operating the wiper lever
IO53PH023
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PRIUS PRIME_OM_OM47A88U_(U)
3515-3. Operating the lights and wipers
5
Driving
Wiper intervals can be adjusted when intermittent operation is
selected.
Increases the intermittent
windshield wiper frequency
Decreases the intermittent
windshield wiper frequency
Washer/wiper dual operation
The wipers will automatically
operate a couple of times after
the washer squirts.
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PRIUS PRIME_OM_OM47A88U_(U)
5-3. Operating the lights and wipers
■Rain-sensing windshield wipers (if equipped)
Ty p e A
Off
Rain-sensing opera-
tion
Low speed operation
High speed operation
Temporary operation
Ty p e BOff
Rain-sensing operation
Low speed operation
High speed operation
Temporary operation
When “AUTO” is selected, the wipers will operate automatically when
the sensor detects falling rain. The system automatically adjusts wiper
timing in accordance with rain volume and vehicle speed.
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