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  1. 4th Generation Optima (2016 - 2020)
    Hey, so ever since last year my 2016 optima has had an issue where if the weather is below freezing, it won't start. Since Winter is coming up again, I want to try and figure it out. Here are my symptoms: •no cranking or clicking, it's completely silent •dash lights, headlights, cabin lights...
  2. Engine and Technical Discussion
    2013 Kia Optima SXL, 231K (yeah I know lol) alright so the last two nights driving home (65 mile drive) my traction light (not the off light) and the Auto Hold light have randomly come on about half way home. It was driving totally normal and auto hold wasn’t acting like it was actually on (but...
  3. 3rd Generation Optima (2011 - 2015)
    I have a 2011 korean made optima lx. The aluminum housing that the low beam bulb twists into broke apart in my hand when removing a headlight. I've replaced them several times in the past two years, and it just happened this time around. I'm having trouble finding just the aluminum socket that...
  4. 4th Generation Optima (2016 - 2020)
    Hi guys, From about a year i’m trying to find what exactly is wistlying in my kia optima gt from 2017. After current winter i’m 100% sure it’s caused by a/c because whole that season a/c was off and the problem did not occur. From about 3-4 weeks I’m driving with a/c back again and the...
  5. Interior and Exterior Modifications
    (Sorry for cross posting this, I couldn’t figure out where to post this...my brain is a little fuzzy because it’s 3am and I can’t sleep...might be because of this issue lol) Ugh, so I’ve encountered a new issue! For context and backstory I was posting on LED door handle modification post(s) in...
  6. 3rd Generation Optima (2011 - 2015)
    Annoying problem with key fob... If I walk near my car when I have unlocked the car and I have the key fob in my pocket, the car automatically locks all doors... if the car is unlocked and I don't have they key fob with me, the car stays unlocked... the problem usually happens if I am carrying 2...
  7. 3rd Generation Optima (2011 - 2015)
    So i recently got rid of my HIDs and going back to stock bulbs, because i had recent issues of the headlights turning on. At one point my headlights completely shutdown and wouldnt turn off with the switch light to off. They were still on even though the car was off (after like 5 min) so i...
  8. 3rd Generation Optima (2011 - 2015)
    Has anyone succeeded in programming a 2012 Optima w/HomeLink mirror and a Chamberlain B750 rolling-code garage door opener? I just bought this new garage door opener and am having a heck of a time trying to get it to work! Grrr. I seem to recall having a little difficulty years back with my...
  9. New Member Introductions
    Hi all, (Please forgive me for possible mistakes, I'm doing my best to write well in English, as my first language is French) Hope everything is going fine for you!! I was reading some threads on this forum for this last few days, as I now have an Acceleration problem with my Optima SX 2013...
  10. 3rd Generation Optima (2011 - 2015)
    Hi guys, Ive owend 2012 optima 2.4 turbo I just tried throttle body cleaning but I cant. I cant remove the ring at the throttle body. Do I need special tool for it? any advice plz. Thanks
  11. Interior and Exterior Modifications
    Hey guys, I recently replaced my front bumper and fender due to a hit and run. My issue I’m having is that the left side of the bumper where the fender and bumper meets won’t pop in all the way. What should I do? Should I take the bumper off and reinstall it? Please advise.
  12. The Service Center
    Hey guys. I dropped a bottle of Techron into the tank before a fill up. I had two bars left when I did so. Today, my instant fuel gauge was way off. At idle the bar was rising close to 10L/100km. At barely half throttle the bar was showing I was flooring it. Is this normal while the techron...
  13. Entertainment: Audio, Navigation, and Electronics
    hi all, I'm from the UK so hoping, as the optima is so much more popular over there with you guys, you might be able to help out? its a diesel, but I'm hoping that shouldn't be an issue? Have a very frustrating issue at present, after market Pioneer head unit blew a fuse, again, today, my...
  14. New Member Introductions
    I've had my 2015 Kia Optima EX since it was new. Have about 30K miles. Noticed today when I went out to it to go driving (a few hours after driving earlier) I heard a hissing noise. Sounded like the rear tire, but it sounded just as loud on each side of the car in the rear. I started the car...
  15. Entertainment: Audio, Navigation, and Electronics
    I read threads on this site that many of you had this problem... here's the solution. Like many others I had a problem configuring my Android phone with the Microsoft UVO basic radio (It does'nt have the navigational system). Phone calls worked but text messaging did not. After many attempts...
  16. New Member Introductions
    Hi everyone, today I have joined Optima Forums and need a little help with my car. I have a 2011 KIA Optima EX that has a so weird fog light problem. Normally, fog lights don't work, but whenever i turn on headlights (low beam) and use the right signal, the fog lights start working. I tried all...
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