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Service bulletins for the 2011 Buick Regal

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1527 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PI0645C2018-04-16. Service bulletin. AIR BAGS; EXTERIOR LIGHTING. This preliminary informational bulletin provides information on the driver airbag light is flashing in the cluster and/or the passenger airbag ON indicator does not illuminate when the passenger is present when the SDM setup has not been completed after reprogramming.
10-00-89-006C2018-04-16. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: RADAR. This informational bulletin provides directions on submitting different PIRs
PI0324F2018-04-16. Service bulletin. POWER TRAIN. This preliminary bulletin provides a procedure to aid in diagnosing a possible faulty front transmission oil pump.
13-00-89-004E2018-04-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides a revision of 13-00-89-004D to include updated information.
08-08-44-015D2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This preliminary bulletin explains physical damage to radios and IPCs must be reviewed and validated if covered under GM warranty or not.
PI11312018-04-16. Service bulletin. POWER TRAIN. This preliminary bulletin provides a procedure to test and/or replace the TEHCM to correct the customers concern of transmission not shifting properly or no specific gears.
PI0754A2018-04-16. Service bulletin. VISIBILITY:WINDSHIELD. This preliminary bulletin explains the marks in the glass are normal when wearing polarized sunglasses and do not replace any glass for this reason.
05-00-89-072C2018-04-16. Service bulletin. FUEL SYSTEM, OTHER; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. This informational bulletin provides information on how to save fuel and proper maintenance without using fuel or oil additives.
13-00-89-0052018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides Warranty Administration - New Labor Codes information.
13-00-89-004A2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 13-00-89-004 to update car issues information for reference information/bulletin PI0746C.
PI09602018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides information on Volume Fluctuation from Soft to Loud Condition.
11-08-49-001F2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 11-08-49-001E to add the 2014 model year.
11-08-44-003A2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 11-08-44-003 to update the Sample Customer Notification Letter.
03-06-03-003C2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 03-06-03-003B to add the 2010-2014 model years, update the Attention statement, change the terms Claim Type B to Claim Type ZPTI, GM Dealer to GM Service Agent, Repair Order to Job Card, Warranty Claim to Warranty Transaction, and to update the Procedure Information for submitting Vehicle Repairs from WINS to Global Warranty Management (GWM).
99-04-20-002H2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 99-04-20-002G to add 2013-2014 model years.
PI09502018-04-02. Service bulletin. POWER TRAIN. This preliminary information bulletin provides information on a concern of transmission fluid leak from torque converter housing area.
13-00-89-0042018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 10-00-89-017Z to include updated information.
PI09242018-04-02. Service bulletin. ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. This preliminary information bulletin provides recomandations for Intermitent Unwanted Trunk Opening While Vehicle is Parked Concern.
PI0572B2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin is for information on COAX Repair Kit Availability. Revised from PI0572A
PI0233D2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides information on inaccurate or slow response of outside air temperature display.
13-06-01-003B2018-04-02. Service bulletin. ENGINE. This technical bulletin provides a procedure for oil consumption test and set up including piston, connecting rod and bearing due to excessive oil consumption and/or need to add oil between oil changes.
03-06-03-004I2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information for warranty codes that are generated by EL-50313 midtronics GR8 battery tester/charger.
PI10182018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides information on poor or no transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS).
02-07-30-029U2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for the PQC assembly replacement process.
PI0590A2018-04-02. Service bulletin. STRUCTURE:BODY. This preliminary information bulletin provides a procedure for installing the headlining trim panel magnets due to the hook and loop fastener adhesive failing, allowing the headliner to become separated from the sunroof housing causing the headliner to become loose or sagging at the rear of the sunroof opening.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.