Lexus IS350 2020 / LEXUS 2020 IS300,IS350 QUICK GUIDE (OM53F44U) Manual PDF

What to do if...
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*1: 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 adju sted, have the system checked by your Lexus dealer.
*2:Except F SPORT models
*3:F SPORT models
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.
Eco drive mode indicator*3“CUSTOMIZE” indicator 
(if equipped)
*3
“SPORT” indicator*2Snow mode indicator
“SPORT” indicator 
(if equipped)
*3“AIR BAG ON/OFF”
indicator (U.S.A.)
“SPORT S” indicator 
(if equipped)
*3“AIR BAG ON/OFF”
indicator (Canada)
“SPORT S+” indicator 
(if equipped)
*3
For further information, re fer to the Owner’s Manual.
Brake pedal
If the engine still does not start, see the “OWNER’S MA NUAL” for more information or
contact your Lexus dealer.

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What to do if...
If the electronic key does not operate properly
■Unlocking and locking the doors
Use the mechanical key in order to perform
the following operations:
Locks all the doors
Closes the windows and moon roof
(turn and hold)
*
Unlocks the doors
Turning the key rearward unlocks the
driver’s door. Turning the key once
again within 5 seconds unlocks the
other doors.
Opens the windows and moon roof
(turn and hold)
*
*
: This setting must be customized at your
Lexus dealer.
■ Unlocking the trunk
Turn the mechanical ke y clockwise to open.
1
2
3
4

What to do if...
73
■Starting the engine
Ensure that the shif t lever is in P and
depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION 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 started, contact your Lexus dealer.
If equipped
1
2
3
4
If the electronic key battery is depleted, a warning message will be shown on the multi-
information display. Replace th e battery with a new one. For instructions on replacing the
battery, refer to the “OWNER ’S MANUAL”. If you need further assistance, contact your
Lexus dealer.

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Your Lexus dealer
Your Lexus dealer will provide quality maintenance and any other assistance
you may require.
If there is not a Lexus dealer near you, please call the following number:
■ U.S. OWNERS
● In the U.S. mainland or Canada: 
Lexus Roadside Assistance 
1-800-25-LEXUS or 1-800-255-3987 (Toll-Free)
● In Hawaii: 
Servco Automotive Roadside Assistance/Customer Services 
1-800-25-LEXUS or 1-800-255-3987 (Toll-Free)
■ CANADIAN OWNERS
● In Canada or the U.S. mainland: 
Lexus Roadside Assist ance/Customer Service 
1-800-26-LEXUS or 1-800-265-3987 (Toll-Free)
Please access our websites for further information.
● The U.S. mainland: www.lexus.com
● Hawaii: www.servcolexus.com
● Canada: www.lexus.ca
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All rights reserved. This material may not be reproduced or copied, in whole or in part, 
without the written permission of Toyota Motor Corporation.