GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Cellular Communication 🢒 Cellular Telephone System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Park vehicle outside, away from buildings, power lines and other sources of interference.
  2. Turn ignition OFF, cellular telephone OFF.
  3. Turn audio system on.

Radio, tape or CD plays normally.

Audio System Inoperative. Refer to Radio/Audio System Check in Entertainment.

2
  1. Dock telephone handset.
  2. Press telephone PWR switch.
    • Telephone handset displays ON.
    • Driver Information Center (DIC) displays PHONE ON.
    • PHONE icon appears on the radio display.
    • Audio system chimes.
    • Audio becomes muted for 2 seconds.
    •  Steering Wheel Controls Inoperative in Entertainment (Check actuation of DIC and steering wheel controls. Refer to cellular telephone installation manual.)

3

On the instrument panel DIC display, select PHONE INFO.

PHONE ON displays on the DIC.

Cellular Telephone Inoperative

4

Hold PHONE steering wheel control switch UP for more than two seconds.
    • Voice Says READY through the radio speakers.
    • Audio system becomes muted.
    • VR indicator on the cellular telephone lights.
    •  Steering Wheel Controls Inoperative in Entertainment.

5

Say DIAL.

Voice says NUMBER PLEASE.

6

Pick up handset.

Radio ceases to be muted; speakers resume normal audio system play.

--

7

Using the handset, say CLEAR.

Voice says READY.

Cellular Telephone - Voice Inoperative During Hands-Free

8

Press END on handset keypad or on steering wheel control.
    • VR indicator on the cellular telephone turns off.
    • Voice recognition ceases.

--

9

Hang up handset.

Audio system continues to play.

--

10

Place a phone call.
    • PHONE appears on DIC.
    • Phone call connects.
    • Phone audio sounds through the speakers.

Cellular Telephone - Voice Inoperative During Hands-Free

11

Terminate call pressing END button on the handset.

Call disconnects.

--

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.