Buick Cascada 2019–2021 — technical service bulletin

Bulletin 21NA135 · NHTSA communication 10200137 · issued Jun 10, 2021

Technical service bulletin

communication type

Communication

component

2019–2021

model years

vehicle entries

Official summary

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

Vehicles covered

2019 Buick Cascada
2019 Buick Enclave
2020 Buick Enclave
2021 Buick Enclave
2019 Buick Encore
2020 Buick Encore
2021 Buick Encore
2020 Buick Encore GX
2021 Buick Encore GX
2019 Buick Envision
2020 Buick Envision
2021 Buick Envision
2019 Buick Lacrosse
2019 Buick Regal
2020 Buick Regal
2019 Cadillac Ats
2020 Cadillac CT4
2021 Cadillac CT4
2020 Cadillac CT5
2021 Cadillac CT5
2019 Cadillac CT6
2020 Cadillac CT6
2019 Cadillac CTS
2019 Cadillac Escalade
2020 Cadillac Escalade
2019 Cadillac Escalade Esv
2020 Cadillac Escalade Esv
2021 Cadillac Escalade Esv
2021 Cadillac Escalade NA
2019 Cadillac XT4
2020 Cadillac XT4
2021 Cadillac XT4
2019 Cadillac XT5
2020 Cadillac XT5
2021 Cadillac XT5
2020 Cadillac XT6
2021 Cadillac XT6
2019 Cadillac XTS
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2021 Chevrolet Blazer
2019 Chevrolet Bolt EV
2020 Chevrolet Bolt EV
2021 Chevrolet Bolt EV
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2021 Chevrolet Camaro
2019 Chevrolet Colorado
2020 Chevrolet Colorado
2021 Chevrolet Colorado
2019 Chevrolet Corvette
2020 Chevrolet Corvette
2021 Chevrolet Corvette
2019 Chevrolet Cruze
2019 Chevrolet Equinox
2020 Chevrolet Equinox
2021 Chevrolet Equinox
2019 Chevrolet Express
2020 Chevrolet Express
2021 Chevrolet Express

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.