2019 Buick Cascada Owner Complaints

The contact owns a 2019 Buick Cascada. The contact stated while driving at an undisclosed speed during a rainstorm, water started entering the vehicle through the rear windshield. The contact stated that the rear windshield was separating from the seal. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the rear window sealant, allowing the rear window to separate from the top material. The vehicle was not repaired. After investigating the failure, the contact related the failure to Technical Service Bulletin Number: 17-NA-216. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 38,000.

1/2/2025

The contact owns a 2019 Buick Cascada. The contact stated that the rear windshield was separating from the convertible top plastic frame. The contact stated that the rear glass was pushing upward and out of the frame. The contact had called a dealer and discussed the failure and was advised that the manufacturer had issued Technical Service Bulletin: 17-NA-216 for the separation of the rear glass of the convertible top. The contact was advised by the service department that the repair would not be performed by the dealer. The vehicle was not repaired. The manufacturer was informed of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 53,000.

5/15/2025

The contact owns a 2019 Buick Cascada. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle lost motive power. In addition, the transmission and engine failure warning lights were illuminated. The vehicle was towed to the dealer, where it was diagnosed with turbocharger failure. The contact was informed that the turbocharger needed to be replaced. The vehicle was not repaired. The contact was informed that the parts were out of stock and on back order. The contact was informed that the repair was not covered under warranty, and the vehicle was 100 miles over the warranty limitation. The contact researched and stated that the failure was a known failure with the vehicle. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was 50,100.

12/5/2025

The contact owns a 2019 Buick Cascada. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle lost motive power. In addition, the transmission and engine failure warning lights were illuminated. The vehicle was towed to the dealer, where it was diagnosed with turbocharger failure. The contact was informed that the turbocharger needed to be replaced. The vehicle was not repaired. The contact was informed that the parts were out of stock and on back order. The contact was informed that the repair was not covered under warranty, and the vehicle was 100 miles over the warranty limitation. The contact researched and stated that the failure was a known failure with the vehicle. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was 50,100.

12/5/2025