Manufacturer-recommended service intervals for the GM Oil Life System and open recall alerts for your 2015 Buick Enclave.
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Buick uses the GM Oil Life System: an algorithm tracks engine revolutions and temperature, then lights the change-oil message — typically every 7,500 miles in mixed driving, capped at 12 months, using dexos-approved oil. Current Encore GX and Envista run 1.2/1.3L turbo three-cylinders where oil quality matters more than volume drivers expect (the sump is small and turbo-heated). Front-drive models pair to a CVT with a published fluid interval — it is not a lifetime part.
AIR BAGS:FRONTAL
Campaign #21V782000 · Jul 10, 2021
Issue: General Motors, LLC (GM) is recalling certain 2008-2017 Buick Enclave and 2013-2017 Chevrolet Traverse vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.
Fix: Dealers will replace the driver's air bag module, free of charge. Interim owner notification letters were mailed on November 3, 2021. Owner notification letters were mailed on January 10, 2022. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212349040.
AIR BAGS:CRITICAL FASTENERS
Campaign #21V246000 · Aug 4, 2021
Issue: General Motors, LLC (GM) is recalling certain 2010-2015, 2017 Buick Enclave, 2010-2019 Chevrolet Traverse, and 2011-2016 GMC Acadia vehicles. The side curtain air bags may not be properly attached.
Risk: Unsecured side curtain air bags may not perform as intended, increasing the risk of injury.
Fix: GM will notify owners, and dealers will inspect and, if necessary, realign or replace the weld nuts, free of charge. Owner notification letters were mailed on May 24, 2021. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's number for this recall is N202321200.
TIRES
Campaign #15V044000 · Jan 28, 2015
Issue: General Motors LLC (GM) is recalling certain model year 2015 Buick Enclave vehicles manufactured December 9, 2014, to January 14, 2015, 2015 Chevrolet Traverse vehicles manufactured December 9, 2014, to January 20, 2015, and 2015 GMC Acadia vehicles manufactured December 9, 2014, to January 16, 2015, and all equipped with Goodyear P255/65R18 Fortera HL tires. These vehicles are equipped with tires that may experience tread cracking. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 110, "Tire Selection and Rims and Motor Home/Recreation Vehicle Trailer Load Carrying Capacity Information for Motor Vehicles with a GVWR of 4,536 kilograms (10,000 pounds) or Less."
Risk: If the tire treads crack, a loss of tire pressure and possible tire failure may result, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will replace the tires that were manufactured within a specific date range, free of charge. The rec all began on March 9, 2015. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-222-1020 (Chevrolet), or 1-800-462-8782 (GMC). GM's number for this recall is 15025/15067. Note: This recall is for Goodyear P255/65R18 Fortera HL tires installed as original equipment. For tires that were purchased as replacement equipment, see recall 15T-002.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
Campaign #22V246000 · Apr 14, 2022
Issue: General Motors, LLC (GM) is recalling certain 2015 Buick Enclave, Chevrolet Traverse and GMC Acadia vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.
Fix: Dealers will replace the drivers air bag module, free of charge. Owner notification letters were mailed February 23, 2023. Owners may contact Buick customer service at 1-800-521-7300; Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222366190.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
Campaign #23V334000 · Oct 5, 2023
Issue: General Motors, LLC (GM) is recalling certain 2014-2017 Buick Enclave, Chevrolet Traverse, and GMC Acadia vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.
Fix: Dealers will replace the driver's air bag module, free of charge. GM began mailing final owner letters February 23, 2024 and will continue mailing through December 2025. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N232404980.
Critical for safety and preventing major damage
Change when the Oil Life System calls it — typically around 7,500 miles, never beyond 12 months. dexos1 0W-20 on modern engines. Small-displacement turbos (Encore GX, Envista): don't stretch the indicator.
Estimated cost — typical U.S. ranges
Dealer
~$120–$160
Shop
~$85–$115
DIY
~$25–$55
Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.
Rotate every 7,500 miles with the oil change — GM pairs the two in its schedule.
Estimated cost — typical U.S. ranges
Dealer
~$85
Shop
~$60
DIY
Free
Often free at the shop where you bought the tires — worth asking before paying.
Inspect pads, rotors, and lines at every service. Older Centurys: check rear drum adjustment and parking-brake cables, which seize with age.
Estimated cost — typical U.S. ranges
Dealer
~$85
Shop
~$60
DIY
Free
Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.
FWD Encore GX and Envista use a CVT: GM schedules fluid replacement around 45,000 miles under severe service — which includes most city commuting. AWD Encore GX uses a 9-speed automatic instead (see transmission fluid).
Estimated cost — typical U.S. ranges
Dealer
~$360–$500
Shop
~$255–$355
DIY
~$80–$180
CVT fluid is manufacturer-specific and pricey — do NOT substitute conventional ATF.
Keeps your vehicle running smoothly and efficiently
Conventional automatics (Century's 4T65-E, Regal's Aisin, AWD Encore GX's 9-speed): GM lists 45,000 miles severe / longer normal. Older Buicks respond well to a simple drain-and-fill — avoid pressure flushes on high-mile units.
Estimated cost — typical U.S. ranges
Dealer
~$330–$500
Shop
~$235–$355
DIY
~$60–$180
Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.
Small-turbo three-cylinders (Encore GX, Envista): roughly every 60,000 miles — check the manual. Older 3.1/3.8 V6s: iridium plugs last to 100,000 miles.
Estimated cost — typical U.S. ranges
Dealer
~$285–$390
Shop
~$200–$275
DIY
~$25–$100
Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.
GM schedules replacement around 45,000 miles; inspect at every oil change in dusty regions.
Estimated cost — typical U.S. ranges
Dealer
~$60–$95
Shop
~$45–$70
DIY
~$15–$40
5-minute job on most cars; the airbox lid usually has clips, no tools needed.
Inspect from 60,000 miles; replace on cracking or glazing rather than mileage alone.
Estimated cost — typical U.S. ranges
Dealer
~$195–$235
Shop
~$135–$165
DIY
~$20–$50
DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.
Extends the life of your vehicle and improves comfort
Replace roughly every 22,500 miles per GM's schedule — behind the glovebox on modern Buicks.
Estimated cost — typical U.S. ranges
Dealer
~$60–$95
Shop
~$45–$70
DIY
~$15–$40
Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.
Dex-Cool is rated 5 years / 150,000 miles. On older 3.1/3.8 V6s, intake-gasket seepage was the classic failure — check coolant level and condition at every oil change on a Century.
Estimated cost — typical U.S. ranges
Dealer
~$285–$330
Shop
~$200–$235
DIY
~$25–$60
Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.
Test annually after year 3. Stop-start-equipped Encore GX/Envista use AGM batteries — replace like-for-like, not with a cheaper flooded battery.
Estimated cost — typical U.S. ranges
Dealer
~$225–$390
Shop
~$160–$280
DIY
~$130–$250
Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.
What drivers and federal regulators have officially reported about the 2015 Buick Enclave.
NHTSA has 170 complaints on file for the 2015 Buick Enclave (2015-09 → 2025-11). We haven't reviewed and grouped them yet for this specific vehicle — for now, the full list lives on NHTSA.
Top reported components: AIR BAGS (105) · ELECTRICAL SYSTEM (14) · UNKNOWN OR OTHER (13)
Issues on other model years
Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Jul 29, 2026. Investigation data refreshed Jul 29, 2026.
We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.
Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.
How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.
This maintenance schedule for the 2015 Buick Enclave reflects Buick's published service intervals and the GM Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.