See also:

Setting the Tone, Balance, and Fade
Push the rotary TUNE/SCROLL control knob and BASS will display. Turn the TUNE/SCROLL control knob to the right or left to increase or decrease the bass tones. Push the rotary TUNE/SCROLL control kn ...

Making A Second Call While Current Call Is In Progress
To make a second call while you are currently on a call, press the button and say “Dial” or “Call” followed by the phone number or phonebook entry you wish to call. The first call wil ...

Fluid Level Check
Check the fluid level by removing the fill plug. The fluid level should be between the bottom of the fill hole and a point not more than 3/16 in (4.76 mm) below the bottom of the hole. Add fluid, ...