2011 Hyundai Sonata Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
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 3,368 complaints citing each category; one complaint can cite several. Full breakdown on the 2011 Hyundai Sonata overview page.
What owners report
“THE CONTACT OWNS A 2011 HYUNDAI SONATA. THE CONTACT STATED THAT THE HORN WAS NOT LOUD. THE CONTACT STATED THAT THE MANUFACTURER DID NOT INSTALL…”NHTSA complaint 10365430 — filed 11/12/2010
“I HAVE A 2011 HYUNDAI SONATA. THE HORN IS A REAL SAFETY HAZARD. YOU CAN HARDLY HEAR IT INSIDE THE CAR, AND IN TRAFFIC, OTHER…”NHTSA complaint 10361078 — filed 10/18/2010
“OVER THE PAST 3 DAYS I HAVE BEEN UNABLE TO DEPRESS THE BRAKE PEDAL AND START MY CAR WITH THE ELECTRONIC STARTING SYSTEM. THE PROBLEM…”NHTSA complaint 10356515 — filed 09/20/2010
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2011 Hyundai Sonata have electrical system problems?
Electrical System is the #4 most-reported problem area on the 2011 Hyundai Sonata: 406 of 3,368 complaints on file (12.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2011 Hyundai Sonata have in total?
3,368 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 116 involved a crash, 111 involved a fire, 85 reported injuries, and 3 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.
