One problem related to alternator/generator/regulator has been reported for the 2008 Kia Motor Optima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Kia Motor Optima based on all problems reported for the 2008 Optima.
February 2013 started experincing electrical issues. Example: rear window brake light stopped working (had to have replaced), then trouble with turn signal light would at times not work. The air conditioner started blowing hot air: added coolant and fr( July 2013) but still isnt working right. Then then cd player had issues where it would not eject cd or fail to read the disk at all. Then the radio stopped working too. June 2014 car wouldnt start had to relpace battery but still wouldnt charge. January 2015 installed new alternator, still didnt fix the issue. Had the charging system inspected February 2015. Turned out to be a short or failure due to electrical issue has to get it fixed. Februrary 2015 electrical repairs (switch, plug, fuse). March 2015 car is making grinding noise when pressing down on the break, it is very hard to bring the car to a full stop and makes a grinding sound when making turns as well.
| Electrical System problems | |
| Alternator/generator/regulator problems | |
| Battery problems | |
| Anti-theft Controller problems | |
| Car Will Not Start problems | |
| Horn Assembly problems |