Before driving

Lexus GX / Lexus GX Owners Manual / Before driving

See also:

Speed dialing
Press the off-hook switch. Press the preset button in which the desired number is registered. Press the off-hook switch. ...

Electrical system
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Audio/video remote controls (steering switches)
Some parts of the audio system can be adjusted using the switches on the steering wheel. Details of the specific switches, controls, and features are described below. 1. Volume control switch 2 ...