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GS450h_300h_OM_OM30F92E_(EE)
3-5. Opening, closing the  
windows and moon roof 
Power windows............................ 193
Moon roof ...................................... 196 
4-1. Before driving 
Driving the vehicle .................... 200 
Cargo and luggage .................. 208
Trailer towing (vehicles  
without towing package) .....209 
Trailer towing (vehicles with  
towing package)....................... 210 
4-2. Driving procedures 
Power (ignition) switch ..............217
EV drive mode ............................ 222 
Hybrid transmission .................. 224 
Turn signal lever .......................... 231
Parking brake ..............................232
Brake Hold....................................235 
4-3. Operating the lights  
and wipers 
Headlight switch ......................... 237
AHS (Adaptive High-beam  
System)......................................... 241 
Automatic High Beam ............. 246 
Fog light switch .......................... 250 
Windshield wipers  
and washer.................................. 251 
4-4. Refueling 
Opening the fuel tank cap...... 257 
4-5. Using the driving support  
systems 
Lexus Safety System+ ............... 261
PCS (Pre-Crash Safety  
system)......................................... 270 
LKA (Lane-Keeping  
Assist)...........................................282 
RSA (Road Sign Assist)............ 291
Dynamic radar cruise  
control with full-speed 
range ............................................ 296 
Cruise control ............................ 308 
Driving mode select switch.......311 
BSM (Blind Spot Monitor) ...... 314 
•The Blind Spot Monitor 
function...................................... 319
• The Rear Crossing Traffic 
Alert function .......................... 321 
Driving assist systems...............324 
4-6. Driving tips 
Hybrid vehicle driving tips....... 331
Winter driving tips .....................334
4Driving 
     
        
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4Driving
GS450h_300h_OM_OM30F92E_(EE)
4-1. Before driving 
Driving the vehicle.................... 200
Cargo and luggage .................. 208
Trailer towing (vehicles  
without towing package) .....209 
Trailer towing (vehicles with  
towing package)....................... 210 
4-2. Driving procedures 
Power (ignition) switch ..............217
EV drive mode ............................ 222 
Hybrid transmission .................. 224 
Turn signal lever .......................... 231
Parking brake .............................. 232
Brake Hold....................................235 
4-3. Operating the lights  
and wipers 
Headlight switch ......................... 237
AHS (Adaptive High-beam  
System)......................................... 241 
Automatic High Beam ............. 246 
Fog light switch .......................... 250 
Windshield wipers  
and washer.................................. 251 
4-4. Refueling 
Opening the fuel tank cap ..... 257 
4-5. Using the driving support  
systems 
Lexus Safety System+ ................261 
PCS (Pre-Crash Safety  
system) ........................................ 270 
LKA (Lane-Keeping  
Assist) .......................................... 282 
RSA (Road Sign Assist) ............291 
Dynamic radar cruise  
control with full-speed 
range ............................................ 296 
Cruise control ............................ 308
Driving mode select switch ...... 311
BSM (Blind Spot Monitor) ...... 314 
•The Blind Spot Monitor  
function ..................................... 319
• The Rear Crossing Traffic 
Alert function...........................321 
Driving assist systems .............. 324 
4-6. Driving tips 
Hybrid vehicle driving tips ...... 331
Winter driving tips ..................... 334 
     
        
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3134-5. Using the driving support systems
4
Driving
GS450h_300h_OM_OM30F92E_(EE)
Sport mode 
•SPORT S mode 
Assists acceleration response by controlling the transmission and engine.
When not in SPORT S mode and the driving  mode select switch is turned to the 
right, the “SPORT S” indicator comes on  in the multi-information display, and the Hybrid System Indicator changes to the tachometer. ( P. 109)
•SPORT S+ mode 
Helps to ensure steering performance and driving stability by simultane- 
ously controlling the steering and suspen sion in addition to the hybrid sys- 
tem. Suitable for sporty driving.
When in SPORT S mode and the driving mode  select switch is turned to the right, the “SPORT S+” indicator comes on  in the multi-information display.
■Operation of the air conditioning system in Eco drive mode 
Eco drive mode controls the heating/cooling  operations and fan speed of the air condi- tioning system to enhance fuel efficiency ( P. 346). To improve air conditioning perfor- 
mance, adjust the fan speed or turn off Eco drive mode.
■Automatic operation of the seat heater during Eco drive mode 
Eco drive mode controls the he ating operation and fan speed of the air conditioning sys- 
tem to enhance fuel efficiency. If the driving  mode select switch is switched to Eco drive mode in cold temperatures, the seat heater w ill be automatically operated to assist heat- ing performance.
■Automatic deactivation of sport mode and customized mode 
If the power switch is turned off after driv ing in sport mode or customized mode, the drive mode will be changed to normal mode.
■Driving mode pop-up display (12.3-inch display only) 
When the driving  mode is changed, the selected driving mode will be temporarily dis- played on the side display. ( P. 344)
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4837-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the vehicle is unable to drive over 110 km/h 
(65 mph) until the transmission warms up A buzzer also sounds. Wait until the transmission warms up.
Indicates that the parking brake is set automatically while the brake hold system  is holding the brakes 
A buzzer also sounds.  Release the parking brake.
Indicates a malfunction in the Drive-Start Control system 
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable 
repairer.
Indicates a malfunction in the brake override system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable 
repairer.
Warning messageDetails/Actions