TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to some Kia models that may exhibit fogging, condensation, and/or moisture inside a headlamp assembly. Generally, a fogging condition is considered normal and can be eliminated by turning on the headlamps with the engine running for up to 30 minutes or during normal driving conditions. Headlamp assembly replacement WILL NOT be necessary in most cases.
full bulletin at NHTSA ↗2008 Kia Optima lighting problems
severe 6 complaints filed with NHTSA · avg repair $250 · see lighting across all vehicles →
When does it fail?
Of the 6 lighting complaints filed for the 2008 Kia Optima, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Of the 12 model years of Kia Optima we track for lighting problems, this one has the fewest owner complaints on file (6).
No new NHTSA lighting complaint has been filed on this vehicle in over 11 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
PITSTOP: STOP LAMP SWITCH IDENTIFICATION MATRIX (SC098) - KMA HAS RECEIVED A NUMBER OF INCORRECT WARRANTY RETURN PARTS RELATED TO CAMPAIGN SC098 AND HAS DETERMINED THAT AT TIMES DEALER STAFF MAY HAVE DIFFICULTY IN QUICKLY AND EASILY IDENTIFYING THE CORRECT SWITCHES WHILE ORDERING PARTS, PREPARING TO PERFORM THE STOP LAMP REPLACEMENT OR WHILE PREPARING TO RETURN REPLACED SWITCHES TO KMA (IN CASE OF AN EXISTING MANDATORY PART RETURN (MPR) REQUEST). TO FACILITATE FASTER AND EASIER IDENTIFICATION OF THE CORRECT PARTS, A PICTURE GUIDE AS SHOWN ON PAGE 2 IS PROVIDED. THE GUIDES CONTENT WAS PURPOSELY FORMATTED TO FIT ON ONE PAGE SO IT CAN BE EASILY PRINTED AND KEPT ON OR NEAR A WORKSTATION, PARTS
full bulletin at NHTSA ↗KIA: ALL MODELS. ARTICLE PROVIDES INFORMATION RELATING TO THE IMPROVED DURABILITY OF BULB LIFE FOR REAR COMBINATION BULB; REAR STOP LAMP/TAIL LAMP BULB UTILIZED ON MULTIPLE KIA MODELS.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
I took my car in on 4 sep 2014 I got this car in good faith from [xxx] I have had my car back at least 3 time already and I will be taking it back on november 3, 2014 where my light have been flashing and my light is out again. My gas pedal when I am going about 40 or 50 and I have to get out of the way of other cars and it's like I haven't done anything. I don't even want to drive my car I…
Common questions
How serious is the lighting problem on the 2008 Kia Optima?
It's a meaningful issue. 6 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $250.
At what mileage does the lighting typically fail?
Based on the 6 complaints filed, lighting issues most often appear around 42,164 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $250 for lighting repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to lighting?
No active recalls currently cover lighting issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.