2018 Hyundai Elantra Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 274 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Hyundai Elantra overview page.
What owners report
“The air bag warning light randomly comes on disabling the air bags. It seems to turn on when the passenger seat gets moved forward or…”NHTSA complaint 11462548 — filed 04/28/2022
“In regards to my 2018 Hyundai Elantra Limited currently with 47000 miles, driving and noticed the a/c temp display which also controls fan speed stopped…”NHTSA complaint 11457211 — filed 03/18/2022
“About month ago Sept the car would shut off when driving or stopping and find out it oil I had changed at the tire shop…”NHTSA complaint 11436659 — filed 10/13/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2018 Hyundai Elantra have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2018 Hyundai Elantra: 40 of 274 complaints on file (14.6%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Hyundai Elantra have in total?
274 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 12 involved a crash, 7 involved a fire, 6 reported injuries, and 1 reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
