The Mobile Assistant feature will activate Apple's Siri Eyes Free mode via the steering wheel switches. To operate the Mobile Assistant, a compatible cellular phone must be registered and connected to this system via Bluetooth.
1. Press and hold the off hook switch until you hear the beeps that indicate the system is listening.

2. The Mobile Assistant can be used only when the neighboring screen is displayed.
To cancel the Mobile Assistant, select "Cancel", or press and hold the off hook switch.
To restart the Mobile Assistant for additional commands, press the off hook switch. Mobile Assistant can only be restarted after the system responds to a voice command. After some phone and music commands, the Mobile Assistant feature will automatically end to complete the requested action.

■ Adjusting the volume The volume of the Mobile Assistant can be adjusted using the "PWR*VOL" knob or steering wheel volume switches. The Mobile Assistant and phone call volumes are synchronized.
■ Microphone It is not necessary to speak directly into the microphone when using the Mobile Assistant.
■ Mobile Assistant precautions
Lexus Display Audio
system
USB/AUX portsLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Steering System: PIG Power Supply Voltage (C1552,C1554)
DESCRIPTION If a problem occurs in the system, the power source relay circuit and the motor relay circuit are shut off to stop power assist. The ECU must be replaced when there is a problem with the relays because the relays are built into the ECU. DTC No. Detection Item DTC Detection Conditi ...
Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Do-it-yourself
maintenance: Do-it-yourself service
precautions
If you perform maintenance by yourself, be sure to follow the correct
procedure
as given in these sections.
Items
Parts and tools
12-volt battery condition
Grease
Conventional wrench (for terminal clamp bolts)
Brake fluid level
...