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2024 Kia Carnival Maintenance Schedule

Manufacturer-recommended service intervals for the Service Reminder and open recall alerts for your 2024 Kia Carnival.

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Recalls2Full scheduleKnown issues8

How Kia schedules service: Service Reminder

Kia uses Hyundai Motor Group's powertrains, so service intervals mirror Hyundai's. Kia Promise covers the first 3 years / 36,000 miles of complimentary maintenance. Kia owners with the Theta II 2.0L/2.4L (Optima, Sorento, Sportage 2011-2019) should adhere strictly to oil intervals due to known oil-consumption issues in Kia TSBs.

⚠️

2 Open Recalls

Source: NHTSA

STRUCTURE:BODY:ROOF AND PILLARS

Campaign #24V025000 · Jan 18, 2024

Issue: Kia America, Inc. (Kia) is recalling certain 2023-2024 Sportage and 2022-2024 Carnival vehicles. The roof molding may loosen and detach.

Risk: A detached roof molding can create a road hazard for other vehicles, increasing the risk of a crash.

Fix: Dealers will inspect the roof molding and replace or secure it as necessary, free of charge. Owner notification letters were mailed March 15, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC292.

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Campaign #26V232000 · Oct 4, 2026

Issue: Kia America, Inc. (Kia) is recalling certain 2022-2026 Carnival vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.

Risk: A fuel leak increases the risk of a fire.

Fix: Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed June 2, 2026. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC368. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on April 24, 2026.

Recall data refreshed Jul 19, 2026.

Essential maintenance

Critical for safety and preventing major damage

🛢️

Engine Oil & Filter

Every 3,750 mi

Severe service: every 3,750 miles. Normal: 7,500 miles. Theta II 2.0L/2.4L on Optima, Sorento, Sportage (2011-2019): full synthetic only, never extend.

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.

🔄

Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles. Telluride and Sorento AWD owners benefit from rotation every 5,000 miles to prevent uneven wear.

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.

🛑

Brake Inspection

Every 7,500 mi

Inspect brake pads and rotors every 7,500 miles. Forte and Soul front pads typically last 40,000-55,000 miles.

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.

🧪

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 24 months. Required for ABS and ESC pump longevity.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

💨

Engine Air Filter

Every 30,000 mi

Replace engine air filter every 30,000 miles. Severe or dusty conditions: 15,000 miles.

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.

⚙️

Automatic Transmission Fluid

Every 30,000 mi

Severe service: every 30,000 miles. Normal: 60,000 miles. Use Kia SP-IV — same as Hyundai.

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.

⚡

Spark Plugs

Every 105,000 mi

Iridium-tipped plugs rated 105,000 miles on most Kia engines. 1.6T (Forte GT, Soul Turbo): 60,000 miles. 3.5L Lambda II V6 (Telluride, Sorento): 105,000 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.

🌡️

Long-Life Coolant

Every 30,000 mi

Kia Long-Life Coolant (pink, same as Hyundai): first change at 60,000 miles, then every 30,000. Do not mix with green or orange coolant.

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.

🔩

Transfer Case / Rear Diff (AWD)

Every 60,000 mi

Sportage AWD, Sorento AWD, Telluride AWD: replace transfer case fluid and rear diff fluid every 60,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$105–$140

Shop

~$75–$100

DIY

~$15–$40

AWD/4WD vehicles only. Easy drain-and-fill on most platforms.

Recommended maintenance

Extends the life of your vehicle and improves comfort

🌬️

Cabin Air Filter

Every 15,000 mi

Replace cabin air filter every 15,000 miles. Located behind the glove box on Optima, Forte, and Sportage; behind the dashboard panel on Telluride.

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.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2024 Kia Carnival.

Reported to NHTSA

Power sliding door entrapment on occupants

LATCHES/LOCKS/LINKAGES

7 NHTSA complaints · 2024-04 → 2026-05

“The contact owns a 2024 Kia Carnival. The contact stated that while her husband was loading the child into the car seat. The rear button for the door was depressed by the child. The husband became stuck in between the sliding doors. No warning lights were illuminated. The…”
— Owner report, NHTSA ODI #11736945
“We have a 2024 kia carnival lx trim. The power sliding door pose a serious safety risk. My [XXX] daughter was getting out of the vehicle and decided to try and climb back in as the door was closing. The door did not detect her body at all and continued to close her head in the…”
— Owner report, NHTSA ODI #11664731
“Sliding doors closed on my oldest son’s fingers leaving severe indentation on his pointer, middle and ring fingers. My youngest son has his head dragged inbetween the door and the exterior of the vehicle. I was able to dislodge his head by the base of his neck. My dealership was…”
— Owner report, NHTSA ODI #11647905

Read all complaints on NHTSA →

Recurring engine oil leak after repair attempts

ENGINE

3 NHTSA complaints · 2026-03 → 2026-04

“Our 2024 Carnival has had a recurring engine oil leak that has required the vehicle to be left at the dealership 4 times for the same issue. Each time we get the van back the repair lasts about 1-3 weeks (depending on how often it's driven). Oil continues to leak from the engine…”
— Owner report, NHTSA ODI #11734153
“"Continuous engine oil leak for 12 months. After 4 failed repair attempts, the dealer used liquid sealer instead of a gasket. This is a deceptive repair that creates a severe fire hazard. The leak is still active today, March 2026."”
— Owner report, NHTSA ODI #11727626

Read all complaints on NHTSA →

Horn failure requiring repeated replacement

ELECTRICAL SYSTEM

5 NHTSA complaints · 2024-06 → 2026-03

“Horns (high and low) have been replaced 5 times under a warranty. This is a serious safety hazard. Vehicle: Kia Carnival (Model Years 2022–2024) Issue: Repeated horn failure / electrical malfunction Owners of 2022–2024 Kia Carnival vehicles are experiencing repeated horn…”
— Owner report, NHTSA ODI #11714079
“Horn stops working and needs to be replaced within a year or less. I reported the first time my horn stopped working and it took 4 months until I can have an appointment and order the part. The second time it stopped working was within a year and scheduling an appointment was…”
— Owner report, NHTSA ODI #11717275

Read all complaints on NHTSA →

Second and third row floor rails reaching high temperature

UNKNOWN OR OTHER

11 NHTSA complaints · 2023-08 → 2024-10

“Center rails for center seats get so hot they burn bare skin. (Center rails in the floor)”
— Owner report, NHTSA ODI #11618206
“Just purchased the 2024 Kia Carnival LX seat package 2 months ago. My wife and I noticed the floor of the Kia in the 2nd row up until the 3rd row gets so hot that it is unable to be touched. The railing system that the seats slide on get so hot that it will burn you.”
— Owner report, NHTSA ODI #11606317

Read all complaints on NHTSA →

Roof molding detachment under recall 24V025000

STRUCTURE

4 NHTSA complaints · 2024-05 → 2025-09

“The contact owns a 2024 Kia Carnival. The contact received notification of NHTSA Campaign Number: 24V025000 (Structure). The contact stated that the driver's side roof molding was detaching, and the contact attempted to secure the molding in place several times. The dealer was…”
— Owner report, NHTSA ODI #11689092
“Roof molding has either completely detactch or partial detached from top of vehicle 4 times now. They have attempted to glue it back on but it still fails! This is dangerous for other drivers and my family”
— Owner report, NHTSA ODI #11616889

Read all complaints on NHTSA →

Windshield cracking without prior impact

VISIBILITY/WIPER

3 NHTSA complaints · 2023-06 → 2024-06

“Windshield spontaneously cracked while sitting still. Vehicle was parked on a hot day with AC running and windshield burst as if it were shot and cracks streaked across entire windshield by next day causing visibility issues. We are not aware of vehicle being hit by anything at…”
— Owner report, NHTSA ODI #11595342
“While driving at low speed (35mph or less), we heard a dull “pop”. We then noticed a large crack on the passenger side of the windshield beginning at the edge of the glass. After parking in our garage, I inspected the crack, which was at least 8 inches in length. As suspected,…”
— Owner report, NHTSA ODI #11528624

Read all complaints on NHTSA →

Fuel odor intrusion into passenger cabin

FUEL/PROPULSION SYSTEM

3 NHTSA complaints · 2025-07 → 2026-04

“I reported a fuel smell in the cabin of my vehicle in June 2024. It was dismissed because they could not recreate the smell. I reported it again and they said that is just how the vehicle purges fuel. I reported it again and drove it right to the dealer when it smelled and…”
— Owner report, NHTSA ODI #11731411
“Vehicle vents gasoline fumes into the passenger cabin causing drowsiness, headaches, and impaired cognitive function as well as exposure to a carcinogen. Vehicle has significantly high levels of CO2 inside the cabin at all times (2000-4000ppm) as well as TVOC and HCHO being…”
— Owner report, NHTSA ODI #11671372

Read all complaints on NHTSA →

Steering column fluid and grease leak

STEERING

4 NHTSA complaints · 2023-09 → 2024-09

“Got in my vehicle one day and noticed fluid dripping from the steering column. I took it into JT's Kia in Rock Hill, SC. At first they told me they were going to wipe off the "grease" then told me they needed to order a whole new steering column. I asked if it was still safe to…”
— Owner report, NHTSA ODI #11617123
“The contact owns a 2024 Kia Carnival. The contact stated that oil and grease were leaking from the steering column onto the floorboard mats. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that there was an excessive…”
— Owner report, NHTSA ODI #11614364

Read all complaints on NHTSA →

Issues on other model years

  • 2022 Kia Carnival →
  • 2023 Kia Carnival →
  • 2025 Kia Carnival →
  • 2026 Kia Carnival →
  • 2027 Kia Carnival →

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Jul 21, 2026. Investigation data refreshed Jul 21, 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 2024 Kia Carnival reflects Kia's published service intervals and the Service Reminder 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.

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