Service bulletin Smart Trunk Deal

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10176184
Published by NHTSA	2020-06-06
Manufacturer's number	Smart Trunk Deal
Manufacturer's date	2020-05-11
NHTSA component	STRUCTURE

NHTSA's summary

A nationwide settlement (“Settlement”) has been reached in a class action lawsuit against Hyundai Motor America (“HMA”). The lawsuit concerns model year 2015 to 2017 U.S. specification Hyundai Sonata vehicles equipped with the Smart Trunk feature purchased or leased in the fifty United States or the District of Columbia (“Class Vehicles”). The lawsuit alleges that torsion bars on the Smart Trunk in the Class Vehicles are defective because they do not open a sufficient amount. . Defendant has denied these allegations.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

Vehicles listed
HYUNDAI SONATA	2015, 2016, 2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2021495	2021-08-06. Structure
2016507	2016-10-17. Structure

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
23-BD-007H	2023-05-04. Service bulletin. Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.
22-BD-010H	2023-01-04. Service bulletin. Certain 2017-2018MY Elantra (ADa), Sonata (LFa), and Santa Fe Sport (AN) vehicles manufactured by Hyundai Motor Manufacturing Alabama (“HMMA”) may exhibit peeling or bubbling of the white paint in various areas of the vehicle, most commonly on or around the hood, fender, and roof. The paint warranty coverage for these vehicles with white exterior paint has been extended to the following: • 2017MY vehicles – 6 years with unlimited miles from the date of original retail delivery or date of first use, whichever occurred first, and is valid for original and subsequent owners • 2018MY vehicles – 5 years with unlimited miles from the date of original retail delivery or date of first use, whichever occurred first, and is valid for original and subsequent owners
22-BD-010H	2023-01-04. Service bulletin. Certain 2017-2018MY Elantra (ADa), Sonata (LFa), and Santa Fe Sport (AN) vehicles manufactured by Hyundai Motor Manufacturing Alabama (“HMMA”) may exhibit peeling or bubbling of the white paint in various areas of the vehicle, most commonly on or around the hood, fender, and roof. The paint warranty coverage for these vehicles with white exterior paint has been extended to the following: • 2017MY vehicles – 6 years with unlimited miles from the date of original retail delivery or date of first use, whichever occurred first, and is valid for original and subsequent owners • 2018MY vehicles – 5 years with unlimited miles from the date of original retail delivery or date of first use, whichever occurred first, and is valid for original and subsequent owners
20-BD-015H	2020-06-06. Service bulletin. On certain Sonata (LF) vehicles equipped with smart trunk, the trunk lid may not open to the desired height when using the smart trunk feature. Follow the procedure in the bulletin to inspect the trunk lid opening height, and replace the torsion bars if required. The warranty coverage for the trunk lid torsion bars has been extended to 78 months or 78,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners.
Smart Trunk Deal	2020-01-21. Service bulletin. A nationwide settlement (?Settlement?) has been reached in a class action lawsuit against Hyundai Motor America (?HMA?). The lawsuit concerns model year 2015 to 2017 U.S. specification Hyundai Sonata vehicles equipped with the Smart Trunk feature purchased or leased in the fifty United States or the District of Columbia (?Class Vehicles?). The lawsuit alleges that torsion bars on the Smart Trunk in the Class Vehicles are defective because they do not open a sufficient amount. . Defendant has denied these allegations.
19-BD-009H-1	2020-01-21. Service bulletin. On certain Sonata (LF) vehicles equipped with smart trunk, the trunk lid may not open to the desired height when using the smart trunk feature. Follow the procedure in the bulletin to inspect the trunk lid opening height and replace the torsion bars if required. The warranty coverage for the trunk lid torsion bars has been extended to 78 months or 78,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners.
19-BD-007H	2019-11-06. Service bulletin. The warranty coverage for the panoramic sunroof moving glass has been extended to 10 years or 120,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners.
5NP-K3C4M-03	2018-03-12. Service bulletin. This bulletin provides the repair procedure to eliminate panoramic sunroof creaking noise originating from the panoramic moving glass seal.
5NP-E7A7T-03	2017-08-10. Service bulletin. In some areas, a vehicle's underbody may exhibit corrosion due to road salt usage. As a precautionary measure, cavity wax coating is applied to the internal surfaces of underbody components, and an undercoating spray is applied to the bottom exterior surfaces of specified underbody components. This bulletin describes the procedure to perform this preventative service on certain Sonata Hybrid (YF HEV) vehicles.
SB-15-01-037-1	2016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.