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GS350_QG_U (OM30C68U)
■Canceling and resuming the speed control
Pulling the lever toward you cancels 
the cruise control.
The speed setting is also canceled 
when the brakes are applied.
Pushing the lever up resumes the 
cruise control.
Resuming is available when the vehicle 
speed is more than approximately 25 
mph (40 km/h).
■Selecting conventional constant speed control mode
Press the “ON-OFF” button to activate 
the cruise control.
Press the button again to deactivate 
the cruise control.
Switch to constant speed control 
mode. 
(Push the lever forward and hold for 
approximately one second.)
Constant speed control mode indica-
tor will come on.
When in constant speed control mode, 
to return to vehicle-to-vehicle distance 
control mode, push the lever forward 
again and hold for approximately 1 sec-
ond.
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2
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What to do if...
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GS350_QG_U (OM30C68U)
List of Warning/Indicator Lights 
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
(U.S.A.)
Brake system warning light
(Canada)
Stop the vehicle immediately.
Charging system warning light
Have the vehicle inspected immediately.
(U.S.A.)
Malfunction 
indicator lamp
Slip indicator
(Canada)
(Flashes)
“AFS OFF” indicator  
(if equipped)
SRS warning light(Flashes)(U.S.A.)
Parking brake  
indicator
(U.S.A.)
ABS warning light(Flashes)
(Canada)
(Canada)Brake system warning light
Electric power steering  
system warning light(Blinking  and then  continu-
ously on)Tire pressure warning light
(Flashes)
“PCS” warning light  
(if equipped)
For further information, re fer to the Owner’s Manual. 
     
        
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What to do if...
GS350_QG_U (OM30C68U)
*: It also comes on due to natural causes such as natural air leaks and tire inflation pressure changes caused by temperature. Adjust the tire  inflation pressure to the specified level. 
The light will turn off after a few minutes. In case the light does not turn off even if the tire 
inflation pressure is adjusted, have th e system checked by your Lexus dealer.
Follow the correction procedures.
Open door warning lightMaster warning light 
Low fuel level warning light
(Illuminates 
without 
blinking)Tire pressure warning light*
Seat belt reminder light
See the Owner’s Manual
Tu r n  s i g n a l  i n d i c a t o rIntuitive parking assist 
indicator (if equipped)
Headlight indicator (U.S.A.)“AFS OFF” indicator  
(if equipped)
Tail light indicator (Canada)
(Flashes)
Slip indicator
Headlight high beam indicatorVSC OFF indicator
Front fog light indicator  
(if equipped) 
(Flashes  faster)
“PCS” warning light  
(if equipped) 
Cruise control indicatorParking brake indicator 
(U.S.A.)
Radar cruise control  
indicator (if equipped)Parking brake indicator  
(Canada)
Cruise control “SET” indicator“A I R  B A G  O N /
OFF” indicator
LKA (Lane-Keeping assist) 
indicator (if equipped) 
For further information, re fer to the Owner’s Manual. 
     
        
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What to do if...
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■Starting the engine
Ensure that the shift lever is in P and 
depress the brake pedal.
Touch the Lexus emblem side of the 
electronic key to the engine switch. 
The engine switch will turn to IGNI-
TION ON mode.
When the smart access system with 
push-button start is deactivated in cus-
tomization setting, the engine switch 
will turn to ACCESSORY mode.
Firmly depress the brake pedal and 
check that   is shown on the 
multi-information display.
Press the engine switch.
In the event that the engine still cannot be operated, contact your Lexus dealer.
If the engine doesn’t start
Make sure that the correct operating procedures have been followed. Make sure that the brake pedal is firmly 
depressed when attempting to start the 
engine.
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2
3
4
If the electronic key battery becomes depleted, replace it with a new battery. For instruc-
tions on replacing the battery, refer to the Ow ner’s Manual. If you need further assistance, 
contact your Lexus dealer.
Brake pedal
If the engine still does not st art, see the Owner’s Manual fo r more information or contact 
your Lexus dealer.