9
GS350_QG_U (OM30C68U)
Keys
■Electronic key
Smart access system with push-button start 
( P.1 0 )
Wireless remote control ( P.1 0 )
■Mechanical key
.To take out the mechanical key, push the 
release button and take the key out.
Carry the mechanical key together with 
the electronic key. If  the electronic key 
battery is depleted or the entry function 
does not operate properly, you will need 
the mechanical key. 
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What to do if...
GS350_QG_U (OM30C68U)
■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.
1
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.