2018 Kia Optima Electrical System Problems
Owners filed 42 electrical system complaints for the 2018 Kia Optima, 18% of all 232 complaints for that year, with a median mileage at failure of 36,826. Two fires were reported and NHTSA lists no related recalls for this area.
- Electrical System complaints
- 42
- 18% of 232
- Crashes reported
- 0
- Fires reported
- 2
- Injuries reported
- 0
- Median mileage
- 36,826 mi
- Related recalls
- 0
Typical electrical symptoms owners report
- Multiple dash warning lights (brake, steering, check engine, airbag, ABS, traction control) illuminate at once, sometimes with loss of power steering and the ability to shift gears normally.
- Headlights and dashboard lights randomly shut off while driving, particularly at night or while merging, then come back on after cycling the light switch.
- Vehicle stalls or loses power steering at low speed with dash warnings, in some cases traced to alternator replacement that did not resolve the issue.
- Exterior bulbs blow out repeatedly over an extended period, with some bulb connections reported to spark or catch fire.
- Vehicle has intermittent no-start or hard-start events with clicking noises, dash lights fully lit but engine failing to turn over, sometimes resolved temporarily by jump-starting the battery.
- Rear and side parking sensors fail to detect pedestrians while reversing, with no warning indicator activated.
When 2018 Kia Optima electrical complaints were filed
First complaint Jan 5, 2019, latest Mar 18, 2026.
Electrical System recalls for the 2018 Kia Optima
No safety recalls on record for this model year.
Electrical System complaints by Optima model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical system complaints does the 2018 Kia Optima have?
- NHTSA lists 42 electrical system complaints for the 2018 Kia Optima, which is 18% of the 232 total complaints filed for that model year.
- At what mileage do electrical problems typically show up on the 2018 Optima?
- The median mileage at failure reported to NHTSA for electrical system complaints on the 2018 Optima is 36,826 miles.
- Is there a recall for the 2018 Kia Optima electrical system?
- No. NHTSA's data shows no related recalls tied to the electrical system complaints for the 2018 Kia Optima.
- Did the electrical issues cause any fires or crashes?
- NHTSA records show 2 fires reported among the electrical system complaints for the 2018 Optima, with 0 crashes and 0 injuries.
- How does the 2018 Optima compare to other years for electrical complaints?
- The 2018 Optima's electrical complaints made up 18% of its total complaints, higher than 2017 (14%), 2019 (12%), and 2020 (9%), but lower than 2011 (24%).