2010 Kia Optima Cruise Control Problems
3 owner-reported cruise control complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (3)
Your engine shut down while driving at 40-45 mph in fifth gear. You've also noticed the transmission downshifting harshly from second to first gear, and the engine seems to bog down when accelerating in automatic mode. You're having to pump the brakes more than usual to slow the engine speed, which suggests a possible vehicle speed sensor issue. The fix will likely involve diagnosing the speed sensor and transmission control system to restore proper shifting and acceleration.
Parts you may need:
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Your car's transmission shifts abruptly from 3rd to 2nd gear when you're slowing down to a stop, creating a sudden jerking sensation that feels like hard braking. This also happens sometimes when you ease off the gas and then accelerate again. The problem occurs most often during city driving with frequent stops and starts, but has also happened on freeways. The dealership has been unable to reproduce or identify the issue despite multiple visits.
Parts you may need:
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THE CRUISE CONTROL IS INOPERATIVE. THE CRUISE CONTROL LIGHT WILL COME ON, BUT YOU CANNOT "SET" THE CRUISE CONTROL. I HAVE READ ONLINE ABOUT SEVERAL OTHER KIA MAKES AND MODELS HAVING THIS SAME ISSUE. AS FAR AS I CAN RESEARCH, THERE IS NOT A FUSE FOR THE CRUISE CONTROL. *TR