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  1. Engine and Technical Discussion
    Has anyone modified their Optima to a racing-style ignition system? Essentially, leaving the key permanently inserted, and cutting out the Acc, Ign, and Start wires, and rigging them to two toggle switches and a pushbutton, respectively? Would this even work? Or, is it an expensive way to...
  2. Engine and Technical Discussion
    Hey all, So I changed spark plugs on my Optima 2013 Turbo. I used the NGK 1422, and I can definitely notice a pretty big improvement on both throttle response and Fuel Economy. Heck, my idling RPM went down to 800-1000 RPM (from 1200 or so). Anyway, this was my first time changing spark plugs...
  3. Engine and Technical Discussion
    This is more of an idea than anything else, but I'd like to know if it's possible: I have an LX, so there is no fancy smart key or anything. Is it possible to replace my ignition key with a 3-switch setup? Basically, it would have two gated switches, one for Acc, and one for Ignition, and...
  4. 3rd Generation Optima (2011 - 2015)
    I just heard about this on the news this morning. For those who don't feel like reading the article, a group of lawyers is basically trying to bring a lawsuit against the major auto manufacturers because they have created a "safety hazard" by using keyless ignitions (i.e. push-button starts)...
  5. K5OS - Performance
    Is proud to present to the Optima community The HKS M45XL Super Fire Racing Spark Plugs (BUY NOW) Description: Upgrade your factory spark plugs with these high end performance series racing spark plugs from HKS These HKS M45XL Spark Plugs are designed to handle some of the most advanced...
  6. 3rd Generation Optima (2011 - 2015)
    In light of the GM faulty ignition switch. Allot of us have key fobs.... and I have to wonder since these are wireless what prevents our cars from having accidental turn offs or even the steering wheel to accidental lock?
  7. Engine and Technical Discussion
    Can anyone point me to a 12v ignition source under hood???
  8. 3rd Generation Optima (2011 - 2015)
    Today was kind of a hot day, and I was parked in the sun for a few hours, and that might have had something to do with it, but my key got stuck in the ignition 4 different times today. Or rather I should say that I couldn't turn the ignition all the way off to the last position past the...
  9. 3rd Generation Optima (2011 - 2015)
    I am still scratching my head on this one. Read below. Keyless ignition eyed in deaths | WPSD Local 6 - News, Sports, Weather - Paducah KY | National and World
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