For your information

Lexus GX / Lexus GX Owners Manual / For your information

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When receiving a phone call
 - Answering the phone Press the off-hook switch.  - Refusing the call Press the on-hook switch. ...

Registering a portable player
Select “Pair Audio Player (Pair Audio)” using a voice command or the “TUNE/SEL” knob, and perform the procedure for registering a portable player. ...

Screen adjustment
The contrast and brightness of the screen display and the image the cam- era displays can be adjusted. The display can also be turned off, and/or changed to either day or night mode. SCREEN SETTI ...