2021 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 128 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Hyundai Elantra overview page.
What owners report
“Back up camera doesnât work. When put in reverse the screen is static and when you press the back up camera button it wonât turn…”NHTSA complaint 11593549 — filed 06/10/2024
“I have had to get the horn replaced on my ELANTRA six times the horn goes out and this can be a very big safety…”NHTSA complaint 11569887 — filed 02/05/2024
“When driving at 55MPH with cruise control on, the car suddenly accelerated to 75MPH, this happened on the open road and was able to keep…”NHTSA complaint 11558627 — filed 12/05/2023
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2021 Hyundai Elantra have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2021 Hyundai Elantra: 26 of 128 complaints on file (20.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Hyundai Elantra have in total?
128 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 8 involved a crash, 1 involved a fire, 3 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.