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Engine And Engine Cooling
06/21/2026
The contact owns a 2016 Buick Cascada. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal squealing sound. The vehicle was subsequently taken to the dealer, where it was diagnosed with a PCV valve failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 19,000.
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Structure, unknown Or Other
01/15/2021
Buick Cascada back window on the convertible tops coming apart, causing flooding inside the car, also there's a danger the window will come out driving down the road. Buick refuses to do anything.
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Structure, unknown Or Other
02/18/2026
The rear window of the convertible top starts to pull away from the top itself. Could separate and displace entirely causing damage or injury behind.
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Structure
04/01/2022
The back window on the convertible top has separated from the fabric. Buick dealership said it was not a covered item under the extended warranty. We tried to glue it back down but it keeps separating all around. Dangerous situation because it could separate completely during travel and cause an accident/injury to others. Should be a recall item since it is being reported by several other Cascada owners.
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Engine And Engine Cooling
08/11/2025
See attached document for complaint.