2017 Lexus GS300h high beam

243
4-3. Operating the lights and wipers
4
Driving
GS450h_300h_OM_OM30F92E_(EE)
■Switching to low beam
Pull the lever to the original position.
The Adaptive High-beam System
indicator will turn off.
Push the lever away from you to acti-
vate the Adaptive High-beam Sys-
tem again.
■Switching to high beam
Press the Adaptive High-beam Sys-
tem switch.The Adaptive High-beam System
indicator will turn off and the high
beam indicator will turn on.
Press the switch to activate the
Adaptive High-beam System again.
Turning the high beam on/off manually

2444-3. Operating the lights and wipers
GS450h_300h_OM_OM30F92E_(EE)
■Conditions in wh ich the light distribution control of the headlights changes automati-
cally
●When all of the following conditions are met, the high beams will be turned on automat-
ically and the system will operate:

245
4-3. Operating the lights and wipers
4
Driving
GS450h_300h_OM_OM30F92E_(EE)
●In the situations shown below, the system may not be able to accurately detect sur-
rounding 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.

2464-3. Operating the lights and wipers
GS450h_300h_OM_OM30F92E_(EE)
Automatic High Beam 
Push the lever away from you with
the headlight switch in the or
position.
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will
come on when the headlights are turned
on automatically to indicate that the sys-
tem is active.
: If equipped
The Automatic High Beam uses an in-vehicle camera sensor 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 rely on the Automatic High Beam. Al ways drive safely, taking care to observe
your surroundings and turning the high beam 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 system
1
2

247
4-3. Operating the lights and wipers
4
Driving
GS450h_300h_OM_OM30F92E_(EE)
■Switching to low beam
Pull the lever to the original position.
The Automatic High Beam indicator
will turn off.
Push the lever away from you to acti-
vate the Automatic High Beam sys-
tem again.
■Switching to high beam
Press the Automatic High Beam
switch.The Automatic High Beam indicator
will turn off and the high beam indi-
cator will turn on.
Press the switch to activate the Auto-
matic High Beam system again.
Turning the high beam on/off manually

2484-3. Operating the lights and wipers
GS450h_300h_OM_OM30F92E_(EE)
■High beam automatic turning on or off conditions
●When all of the following conditions are fu lfilled, the high beam will be automatically
turned on (after approximately 1 second):

249
4-3. Operating the lights and wipers
4
Driving
GS450h_300h_OM_OM30F92E_(EE)
●In the situations shown below, the system may not be able to accurately detect sur-
rounding 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.

261
4
4-5. Using the driving support systems
Driving
GS450h_300h_OM_OM30F92E_(EE)
Lexus Safety System+
◆PCS (Pre-Crash Safety system) 
P. 270
◆LKA (Lane-Keeping Assist) P. 282
◆AHS (Adaptive High-beam System) 
 P. 241
◆Automatic High Beam 
 P. 246
◆RSA (Road Sign Assist) P. 291
◆Dynamic radar cruise control with full-speed range P. 296
: If equipped
The Lexus Safety System+ consists of the following drive assist systems and
contributes to a safe and comfortable driving experience:
WARNING
■Lexus Safety System+
The Lexus Safety System+ is designed to operate under the assumption that the driver
will drive safely, and is designed to help reduce the impact to the occupants and the
vehicle in the case of a collision or assist the driver in normal driving conditions.
As there is a limit to the degree of reco gnition accuracy and control performance that
this system can provide, do no t overly rely on this system. The driver is always responsi-
ble for paying attention to the vehicle’s surroundings and driving safely.