Buick Regal: Repair Instructions

MOBILE TELEPHONE MICROPHONE REPLACEMENT

Preliminary Procedure

Roof Console Replacement.

1. Mobile Telephone Microphone
   Procedure
   • Release the retaining tabs.
   • Disconnect the electrical connectors.

HUMAN MACHINE INTERFACE CONTROL MODULE REPLACEMENT

Preliminary Procedure

Instrument Panel Lower Trim Panel Insulator Replacement.

1. Human Machine Interface Control Module
   Procedure
   1. Disconnect the electrical connectors.
   2. Push tab to release the module from the bracket and slide downward.
   3. Refer to Control Module References for programming and set up information, if required.

COMMUNICATION INTERFACE MODULE REPLACEMENT

Preliminary Procedure

Battery Negative Cable Disconnection and Connection (3.6L LGX) Battery Negative Cable Disconnection and Connection (2.0L LTG).

1. Communication Interface Module
   Procedure
   1. Disconnect the electrical connector.
   2. Unlock the retaining tabs.
   3. Control Module References - Programming and Setup

COMMUNICATION INTERFACE MODULE BATTERY REPLACEMENT (IO5, IO6, IOB)

Preliminary Procedure

Battery Negative Cable Disconnection and Connection (3.6L LGX) Battery Negative Cable Disconnection and Connection (2.0L LTG).

1. Communication Interface Module Battery
   Procedure
   1. Disconnect the electrical connector.
   2. Unlock the retaining tabs.
   3. Control Module References - Programming and Setup

COMMUNICATION INTERFACE MODULE BATTERY REPLACEMENT (IOR, IOS, IOT)

Preliminary Procedure

Communication Interface Module Replacement.

1. Communication Interface Module Battery Cover Bolt
   CAUTION: Fastener Caution
   Tighten 2.5 N.m (22 lb in)
2. Communication Interface Module Battery Cover
3. Communication Interface Module Battery

COMMUNICATION INTERFACE MODULE BRACKET REPLACEMENT

Preliminary Procedure

Instrument Panel Assembly Replacement.

1. Communication Interface Module Bracket Bolt [3x]
   CAUTION: Fastener Caution
   Tighten 2.5 N.m (22 lb in)
2. Communication Interface Module Bracket
   Procedure
   Transfer components as necessary.

RADIO BRACKET REPLACEMENT

Preliminary Procedures

1. Instrument Panel Compartment Replacement.

2. Human Machine Interface Control Module Replacement.

3. Radio Replacement (IOS)Radio Replacement (IOT).

1. Radio Bracket Bolt [3x]
   CAUTION: Refer to Fastener Caution.
   Tighten 2.5 N.m (22 lb in)
2. Radio Bracket
   Procedure
   1. Release the two wire harness retainers from the radio bracket.
   2. Lower and reposition the radio bracket enough to access and disconnect the electrical connector from the navigation signal splitter.
   3. Transfer components as necessary.

RADIO REPLACEMENT (IOS)

Preliminary Procedures

1. Battery Negative Cable Disconnection and Connection (3.6L LGX) Battery Negative Cable Disconnection and Connection (2.0L LTG).

2. Instrument Panel Lower Trim Panel Insulator Replacement.

1. Radio
   Procedure
   1. Disconnect the electrical connectors.
   2. Unlock the retaining tabs.
   3. Control Module References - Programming and Setup

RADIO REPLACEMENT (IOT)

Preliminary Procedures

1. Before removing the radio, perform the radio reset. Radio Reset.

2. Battery Negative Cable Disconnection and Connection (3.6L LGX) Battery Negative Cable Disconnection and Connection (2.0L LTG).

3. Instrument Panel Lower Trim Panel Insulator Replacement.

1. Radio
   Procedure
   1. Disconnect the electrical connectors.
   2. Unlock the retaining tabs.
   3. After radio installation, perform the radio reset. Radio Reset

RADIO CONTROL ASSEMBLY REPLACEMENT (IOB)

Preliminary Procedures

1. Instrument Panel Center Trim Plate Applique Replacement.

2. Instrument Panel Center Air Outlet Bezel Replacement.

3. Instrument Panel Trim Plate Replacement.

1. Radio Control Assembly Bolt [2x]
   CAUTION: Refer to Fastener Caution.
   Tighten 2.5 N.m (22 lb in)
2. Radio Control Assembly Retainer [3x]
   Procedure
   Use a flat bladed plastic trim tool.
3. Radio Control Assembly
   Procedure
   Disconnect the electrical connectors.

RADIO CONTROL ASSEMBLY REPLACEMENT (IO5, IO6)

Preliminary Procedure

Instrument Panel Center Air Outlet Bezel Replacement.

1. Radio Control Assembly Bolt [2x]
   CAUTION: Refer to Fastener Caution.
   Tighten 2.5 N.m (22 lb in)
2. Radio Control Assembly Retainer [3x]
   Procedure
   Use a flat bladed plastic trim tool.
3. Radio Control Assembly
   Procedure
   Disconnect the electrical connectors.

DRIVER INFORMATION DISPLAY REPLACEMENT

Preliminary Procedures

Radio Control Assembly Replacement (IOB) Radio Control Assembly Replacement (IO5, IO6).

1. Driver Information Display Bolt [4x]
   CAUTION: Fastener Caution
   Tighten 2.5 N.m (22 lb in)
2. Driver Information Display

ACTIVE NOISE CANCELLATION MICROPHONE REPLACEMENT

Removal Procedure

1. Lower the area of the headliner according to the location of the microphone being replaced.

2.

Disconnect the electrical connector.

3. Unlock the retaining tabs.

4. Active Noise Cancellation Microphone (1) - Remove.

Installation Procedure

1.

Active Noise Cancellation Microphone (1) - Install.

2. Connect the electrical connector.

3.

NOTE:

• The felt tape covering the microphone and brackets is single use. Please discard the used tape and apply new tape over the microphones and brackets before re-installing the headliner.
• The felt tape is NOT applied flush to the outboard side of the active noise cancellation bracket. There should be a ramp provided by the tape on the outboard side.
• The tape is to be applied flush to the side of the bracket on every side EXCEPT the outboard edge, where the "ramp" is maintained.

Cut a piece of felt tape and attach the bottom edge of the tape, leaving 5 mm (0.20 in) of gap between the edge of the tape and the crease in the headliner. (a)

4. Apply the tape to the headliner up until the base of the active noise cancellation bracket, then to the top of the active noise cancellation microphone/bracket. (1).

5. Fold the tape over the inboard side of the bracket and on the fore/aft edges of the bracket.

6. Headlining Trim Panel Replacement (Hatchback) Headlining Trim Panel Replacement (Wagon) - Install.

AUDIO DISC PLAYER AND USB RECEPTACLE REPLACEMENT

1. Audio Disc Player and USB Receptacle
   Procedure
   1. Unlock the retaining tabs.
   2. Disconnect the electrical connector.

RADIO SPEAKER AMPLIFIER REPLACEMENT

Preliminary Procedures

Rear Compartment Side Trim Replacement - Right Side (Hatchback) Rear Compartment Side Trim Replacement - Right Side (5-Door Wagon 35).

1. Radio Speaker Amplifier Nut [3x]
   CAUTION: Fastener Caution
   Tighten 6 N.m (53 lb in)
2. Radio Speaker Amplifier
   Procedure
   1. Disconnect the electrical connectors.
   2. Control Module References - Programming and Setup

NAVIGATION SIGNAL SPLITTER REPLACEMENT

Preliminary Procedure

Radio Bracket Replacement.

1. Navigation Signal Splitter
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the navigation signal splitter from the bracket.

RADIO ANTENNA COIL REPLACEMENT

Preliminary Procedure

Liftgate Lower Trim Finish Panel Replacement (Hatchback) Liftgate Lower Trim Finish Panel Replacement (5-Door Wagon 35).

1. Radio Antenna Coil Nut
   CAUTION: Fastener Caution
   Tighten 9 N.m (80 lb in)
2. Radio Antenna Coil
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the retaining tab.

RADIO ANTENNA GROUND COIL REPLACEMENT

Preliminary Procedure

Liftgate Upper Side Trim Finish Panel Replacement.

1. Radio Antenna Ground Coil
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the retaining tab.

RADIO ANTENNA MODULE REPLACEMENT (HATCHBACK)

Preliminary Procedure

Liftgate Upper Side Trim Finish Panel Replacement.

1. Radio Antenna Module Nut
   CAUTION: Fastener Caution.
   Tighten 9 N.m (80 lb in)
2. Radio Antenna Module
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the retaining tabs.

RADIO ANTENNA MODULE REPLACEMENT (WAGON)

Preliminary Procedure

Body Side Rear Window Garnish Molding Replacement (5-Door Wagon 35).

1. Radio Antenna Module Nut
   CAUTION: Fastener Caution.
   Tighten 9 N.m (80 lb in)
2. Radio Antenna Module
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the retaining tabs.

RADIO ANTENNA AMPLIFIER REPLACEMENT

Preliminary Procedure

Liftgate Upper Side Trim Finish Panel Replacement.

1. Radio Antenna Amplifier Nut
   CAUTION: Fastener Caution.
   Tighten 9 N.m (80 lb in)
2. Radio Antenna Amplifier
   Procedure
   1. Disconnect the electrical connectors.
   2. Release the retaining tabs.

RADIO FRONT CENTER SPEAKER REPLACEMENT

Preliminary Procedure

Radio Front Speaker Grille Replacement.

1. Radio Front Center Speaker Bolt [2x]
   CAUTION: Fastener Caution.
   Tighten 2.5 N.m (22 lb in)
2. Radio Front Center Speaker
   Procedure
   Disconnect the electrical connector.

RADIO FRONT SPEAKER GRILLE REPLACEMENT

1. Radio Front Speaker Grille
   Procedure
   1. Unlock the retaining tabs.
   2. Use a flat bladed plastic tool to remove.

HIGH FREQUENCY ANTENNA REPLACEMENT

Preliminary Procedure

It is only necessary to lower the headliner. Only do those steps in headliner replacement that will lower the headliner enough to gain access to the part.

1. High Frequency Antenna

CAUTION: Refer to Fastener Caution.

Procedure

1. Loosen the integral bolt.
2. Disconnect the antenna cables.
3. Feed the wiring and cable up through the hole in the roof panel.

Tighten
9 N.m (80 lb in)

USB RECEPTACLE REPLACEMENT

1. USB Receptacle
   Procedure
   1. Depress the tabs on the receptacle to remove.
   2. Disconnect the electrical connector.

RADIO FRONT SIDE DOOR SPEAKER REPLACEMENT

Preliminary Procedure

Front Side Door Trim Replacement.

1. Radio Front Side Door Speaker Fastener
   CAUTION: Refer to Fastener Caution.
   Tighten 2.5 N.m (22 lb in)
2. Radio Front Side Door Speaker
   Procedure
   Disconnect the electrical connector.

RADIO CONTROL SWITCH REPLACEMENT - STEERING WHEEL

Removal Procedure

1. Steering Wheel Airbag - Remove.

2.

Radio Control Switch Bolt (1) - Remove.

3.

Using a flat bladed plastic trim tool remove the radio control switch (1).

4. Disconnect the electrical connector.

Installation Procedure

1.

Radio Control Switch (1) - Install.

2. Connect the electrical connector.

3.

CAUTION: Fastener Caution.

Radio Control Switch Bolt (1) - Install and tighten 1.5 N.m (13 lb in).

4. Steering Wheel Airbag - Install.

RADIO REAR SIDE DOOR SPEAKER REPLACEMENT

Preliminary Procedure

Rear Side Door Trim Replacement.

1. Radio Rear Side Door Speaker Fastener
   CAUTION: Refer to Fastener Caution.
   Tighten 2.5 N.m (22 lb in)
2. Radio Rear Side Door Speaker
   Procedure
   Disconnect the electrical connector.

RADIO REAR COMPARTMENT SPEAKER REPLACEMENT

Preliminary Procedure

Load Floor Trim Panel Replacement.

1. Spare Wheel Stowage Nut
   CAUTION: Fastener Caution
   Tighten 3.5 N.m (31 lb in)
2. Radio Rear Compartment Speaker Retainer
3. Radio Rear Compartment Speaker
   Procedure
   Disconnect the electrical connector.

FLOOR CONSOLE ACCESSORY FUNCTION SWITCH REPLACEMENT

Preliminary Procedure

Front Floor Console Trim Plate Replacement.

1. Floor Console Accessory Function Switch
   Procedure
   Unlock the retaining tabs.

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