Lexus GS450h Owner's Manual page 385

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Emergency Assistance Button ("SOS")

In the event of an emergency, push the "SOS" button to reach the Public

Safety Answering Point (PSAP). The answering agent will determine your

vehicle's location, assess the emergency, and dispatch the necessary assis-

tance required.

If you accidentally press the "SOS" button, tell the agent that you are not experi-

encing an emergency.

Indicator lights

When the power switch is turned to ON mode, the red indicator light will illumi-

nate for 10 seconds and then the green indicator light will illuminate for 2 sec-

onds, indicating that the system is enabled. The indicator lights indicate the

If the green indicator light illuminates and stays on, the system is enabled.

If the green indicator light flashes, an emergency call is being made (either

automatically or manually).

If no indicator lights illuminate, the system is not enabled.

If the red indicator light illuminates any time other than immediately after the

power switch is turned to ON mode, the system may be malfunctioning or the

backup battery may be depleted. Contact any authorized Lexus retailer or

Lexus authorized repairer, or any reliable repairer.

The service life of the backup battery is 3 years or more.

GS450h_300h_OM_OM30F92E_(EE)

5-5. Using the other interior features