See also:

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. - Incoming calladjusting this setting allows you to hear a difference in volume. - ...

Interior light
The interior light has a three-position switch and operates regardless of ignition switch position. - When the switch is in the ON position (1) , the front and rear personal lights will illumin ...

Steering wheel switch for audio control (if so equipped)
Type A 1. Tuning switch 2. MODE select switch 3. POWER on/off switch 4. Volume control switch Type B 1. Tuning switch 2. Phone operation switch 3. POWER on and MODE select switch 4. ...