Buick Regal: Repair Instructions
MOBILE TELEPHONE MICROPHONE REPLACEMENT
Preliminary Procedure
Roof Console Replacement.
- 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.
- Human Machine Interface Control Module
Procedure
- Disconnect the electrical connectors.
- Push tab to release the module from the bracket and slide downward.
- 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).
- Communication Interface Module
Procedure
- Disconnect the electrical connector.
- Unlock the retaining tabs.
- 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).
- Communication Interface Module Battery
Procedure
- Disconnect the electrical connector.
- Unlock the retaining tabs.
- Control Module References - Programming and Setup
COMMUNICATION INTERFACE MODULE BATTERY REPLACEMENT (IOR, IOS, IOT)
Preliminary Procedure
Communication Interface Module Replacement.
- Communication Interface Module Battery Cover Bolt
CAUTION:
Fastener Caution
Tighten
2.5 N.m (22 lb in)
- Communication Interface Module Battery Cover
- Communication Interface Module Battery
COMMUNICATION INTERFACE MODULE BRACKET REPLACEMENT
Preliminary Procedure
Instrument Panel Assembly Replacement.
- Communication Interface Module Bracket Bolt [3x]
CAUTION:
Fastener Caution
Tighten
2.5 N.m (22 lb in)
- 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).
- Radio Bracket Bolt [3x]
CAUTION: Refer to Fastener Caution.
Tighten
2.5 N.m (22 lb in)
- Radio Bracket
Procedure
- Release the two wire harness retainers from the radio bracket.
- Lower and reposition the radio bracket enough to access and
disconnect the
electrical connector from the navigation signal splitter.
- 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.
- Radio
Procedure
- Disconnect the electrical connectors.
- Unlock the retaining tabs.
- 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.
- Radio
Procedure
- Disconnect the electrical connectors.
- Unlock the retaining tabs.
- 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.
- Radio Control Assembly Bolt [2x]
CAUTION: Refer to Fastener Caution.
Tighten
2.5 N.m (22 lb in)
- Radio Control Assembly Retainer [3x]
Procedure
Use a flat bladed plastic trim tool.
- Radio Control Assembly
Procedure
Disconnect the electrical connectors.
RADIO CONTROL ASSEMBLY REPLACEMENT (IO5, IO6)
Preliminary Procedure
Instrument Panel Center Air Outlet Bezel Replacement.
- Radio Control Assembly Bolt [2x]
CAUTION: Refer to Fastener Caution.
Tighten
2.5 N.m (22 lb in)
- Radio Control Assembly Retainer [3x]
Procedure
Use a flat bladed plastic trim tool.
- 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).
- Driver Information Display Bolt [4x]
CAUTION:
Fastener Caution
Tighten
2.5 N.m (22 lb in)
- 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
- Audio Disc Player and USB Receptacle
Procedure
- Unlock the retaining tabs.
- 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).
- Radio Speaker Amplifier Nut [3x]
CAUTION:
Fastener Caution
Tighten
6 N.m (53 lb in)
- Radio Speaker Amplifier
Procedure
- Disconnect the electrical connectors.
- Control Module References - Programming and Setup
NAVIGATION SIGNAL SPLITTER REPLACEMENT
Preliminary Procedure
Radio Bracket Replacement.
- Navigation Signal Splitter
Procedure
- Disconnect the electrical connectors.
- 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).
- Radio Antenna Coil Nut
CAUTION:
Fastener Caution
Tighten
9 N.m (80 lb in)
- Radio Antenna Coil
Procedure
- Disconnect the electrical connectors.
- Release the retaining tab.
RADIO ANTENNA GROUND COIL REPLACEMENT
Preliminary Procedure
Liftgate Upper Side Trim Finish Panel Replacement.
- Radio Antenna Ground Coil
Procedure
- Disconnect the electrical connectors.
- Release the retaining tab.
RADIO ANTENNA MODULE REPLACEMENT (HATCHBACK)
Preliminary Procedure
Liftgate Upper Side Trim Finish Panel Replacement.
- Radio Antenna Module Nut
CAUTION:
Fastener Caution.
Tighten
9 N.m (80 lb in)
- Radio Antenna Module
Procedure
- Disconnect the electrical connectors.
- Release the retaining tabs.
RADIO ANTENNA MODULE REPLACEMENT (WAGON)
Preliminary Procedure
Body Side Rear Window Garnish Molding Replacement (5-Door Wagon 35).
- Radio Antenna Module Nut
CAUTION:
Fastener Caution.
Tighten
9 N.m (80 lb in)
- Radio Antenna Module
Procedure
- Disconnect the electrical connectors.
- Release the retaining tabs.
RADIO ANTENNA AMPLIFIER REPLACEMENT
Preliminary Procedure
Liftgate Upper Side Trim Finish Panel Replacement.
- Radio Antenna Amplifier Nut
CAUTION:
Fastener Caution.
Tighten
9 N.m (80 lb in)
- Radio Antenna Amplifier
Procedure
- Disconnect the electrical connectors.
- Release the retaining tabs.
RADIO FRONT CENTER SPEAKER REPLACEMENT
Preliminary Procedure
Radio Front Speaker Grille Replacement.
- Radio Front Center Speaker Bolt [2x]
CAUTION:
Fastener Caution.
Tighten
2.5 N.m (22 lb in)
- Radio Front Center Speaker
Procedure
Disconnect the electrical connector.
RADIO FRONT SPEAKER GRILLE REPLACEMENT
- Radio Front Speaker Grille
Procedure
- Unlock the retaining tabs.
- 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.
- High Frequency Antenna
CAUTION: Refer to Fastener Caution.
Procedure
- Loosen the integral bolt.
- Disconnect the antenna cables.
- Feed the wiring and cable up through the hole in the roof panel.
Tighten
9 N.m (80 lb in)
USB RECEPTACLE REPLACEMENT
- USB Receptacle
Procedure
- Depress the tabs on the receptacle to remove.
- Disconnect the electrical connector.
RADIO FRONT SIDE DOOR SPEAKER REPLACEMENT
Preliminary Procedure
Front Side Door Trim Replacement.
- Radio Front Side Door Speaker Fastener
CAUTION: Refer to Fastener Caution.
Tighten
2.5 N.m (22 lb in)
- 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.
- Radio Rear Side Door Speaker Fastener
CAUTION: Refer to Fastener Caution.
Tighten
2.5 N.m (22 lb in)
- Radio Rear Side Door Speaker
Procedure
Disconnect the electrical connector.
RADIO REAR COMPARTMENT SPEAKER REPLACEMENT
Preliminary Procedure
Load Floor Trim Panel Replacement.
- Spare Wheel Stowage Nut
CAUTION:
Fastener Caution
Tighten
3.5 N.m (31 lb in)
- Radio Rear Compartment Speaker Retainer
- Radio Rear Compartment Speaker
Procedure
Disconnect the electrical connector.
FLOOR CONSOLE ACCESSORY FUNCTION SWITCH REPLACEMENT
Preliminary Procedure
Front Floor Console Trim Plate Replacement.
- Floor Console Accessory Function Switch
Procedure
Unlock the retaining tabs.
READ NEXT:
RADIO/NAVIGATION SYSTEM WIRING SCHEMATICS (IOB)
Power, Ground, Serial Data and Subsystem References
Infotainment Display and Radio Controls
Antennas
Speakers
Auxiliary Inputs (MCY)
RADIO/NAVIGATI
SPECIAL TOOLS
EL - 50334 - 20
Multi-Media
Interface Tester
(MIT)
EL - 50334 - 50
USB Cable and
Adapter Kit
EL-48028
Digital Radio Test
Antenna
EL-49903 - 1
Test Antenna, Navn-
Cell Comn
EL-49903 -
SPECIFICATIONS
FASTENER SPECIFICATIONS
SCHEMATIC WIRING DIAGRAMS
CRUISE CONTROL WIRING SCHEMATICS
Cruise Control
SEE MORE:
Place the transmission in the
proper gear.
Caution:
If you add electrical parts or
accessories, you could change
the way the engine operates. Any
resulting damage would not be
covered by the vehicle warranty.
Move the shift lever to P (Park) or
N (Neutral). To restart the vehicle
when it is already
To lock or unlock the door from
outside the vehicle:
Press or
on the Remote
Keyless Entry (RKE) transmitter.
Use Keyless Access.
Use the key. The key lock
cylinder is covered with a cap.
From inside the vehicle pull once on
the door handle to unlock it. Pulling
the door handle again unlatc