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2022 Toyota Tundra Hybrid Owners Manual - Automatic High Beam



Automatic High Beam

: If equipped

The Automatic High Beam uses an in-vehicle front camera to assess the brightness of streetlights, the lights of vehicles ahead etc., and automatically turns the high beam on or off as necessary.

WARNING
■Limitations of the Automatic High Beam

Do not overly rely on the Automatic High Beam. Always drive safely, taking care to observe your surroundings and turning the high beams on or off manually if necessary

■To prevent incorrect operation of the Automatic High Beam system
Do not overload the vehicle.\

Activating the Automatic High Beam


1. Press the Automatic High Beam switch.

2 Turn the headlight switch to the  or position.

When the headlight switch lever is in the low beam position, the AHB system will be enabled and the AHB indicator will illuminate.

■High beam automatic turning on or off conditions

  • When all of the following conditions are fulfilled, the high beam will be automatically turned on (after approximately 1 second):
    • Vehicle speed is above approximately 21 mph (34 km/h) or more.
    • 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 automatically 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.

■Front camera detection information

  • The high beam may not be automatically turned off in the following situations:
    • 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 a wide road
    • When vehicles ahead 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 ahead
    • The movement and direction of vehicles ahead
    • When a vehicle ahead only has operational lights on one side
    • When a vehicle ahead is a twowheeled 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.
  • 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 front camera is deformed or dirty
    • When the temperature of the front camera is extremely high
    • Surrounding brightness levels are equal to those of headlights, tail lights or fog lights
    • When headlights or tail lights of vehicles ahead are turned off, dirty, changing color, or not aimed properly
    • When the vehicle is hit by water, snow, dust, etc. from a preceding vehicle
    • When driving through an area of intermittently 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 roads, 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 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, or are not aimed properly
    • The vehicle is listing or titling 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 distress to other drivers or pedestrians nearby

■Temporarily lowering sensor sensitivity

The sensitivity of the sensor can be temporarily lowered.

1 Turn the engine switch off while the following conditions are met.

  • The headlight switch is in or .
  • The headlight switch lever is in low beam position.
  • Automatic High Beam switch is on.

2 Turn the engine switch to ON.
3 Within 60 seconds after step 2, repeat pushing the headlight switch lever to the high beam position then pulling it to the original position quickly 10 times, then leave the lever in the original position.
4 If the sensitivity is changed, the AHB indicator is turn on and off 3 times.

Automatic High Beam (headlights) may turn on even when the vehicle is stopped.

Turning the high beams on/off manually


■ Switching to the high beams

Push the lever away from you.

The AHB indicator will turn off and the high beam indicator will turn on

Pull the lever to its original position to activate the Automatic High Beam system.

■ Switching to the low beams

Press the Automatic High Beam switch. The AHB indicator will turn off. Press the switch to activate the Automatic High Beam system again.

■ Temporarily switching to the low beams

Pull the lever toward you and then return it to its original position.

The high beams are on while the lever is pulled toward you. However, after the lever is returned to its original position, the low beams remain on for a certain period of time. Afterwards, the Automatic High Beam system will be activated again.

■Temporarily switching to the low beams

It is recommended to switch to the low beams when the high beam may cause problems or distress to other drivers or pedestrians nearby.


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