Seat Belt Reminder Customization; Vehicle Customization; Cautions During Customization - Lexus RX 450H Owner's Manual

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8-2. Customization
Seat belt reminder (→P. 539)
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Function
Vehicle speed linked seat belt
reminder buzzer

Vehicle customization

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When the smart access system with push-button start is off, the entry unlock function
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cannot be customized.
When the doors remain closed after unlocking the doors and the timer activated auto-
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matic door lock function activates, signals will be generated in accordance with the
operation buzzer volume and operational signal (Emergency flashers) function set-
tings.
Some settings can be changed using a switch or the audio system screen. If a setting is
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changed using a switch, the changed setting will not be reflected on the audio system
screen until the power switch is turned off and then to ON mode.
WARNING

Cautions during customization

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As the hybrid system needs to be operating during customization, ensure that the vehi-
cle is parked in a place with adequate ventilation. In a closed area such as a garage,
exhaust gases including harmful carbon monoxide (CO) may collect and enter the
vehicle. This may lead to death or a serious health hazard.
NOTICE
During customization
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To prevent 12-volt battery discharge, ensure that the hybrid system is operating while
customizing features.
RX450h_U_OM0E023U
Default setting Customized setting
On
1 2
Off — O