The 1996 Buick Riviera has 2 recalls, the more serious being a risk of engine compartment fire: a backfire during starting can crack the upper intake manifold, which can then allow fuel or vapors to ignite.
The second recall involves a faulty module that can contain a damaged capacitor, causing the key-in-ignition warning chime and the seatbelt reminder chime and indicator light to stop working, leaving the driver without those alerts.
At a glance
What can fail
The engine can backfire when starting, which may break the upper intake manifold.
What the fix does
Dealers will update the engine control software to prevent backfiring.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The Malfunction Alarm, Lighting and Locking module may have a damaged capacitor, which can disable the key-in-ignition warning chime, seat belt warning chime and lamp, and affect other chime reminders, interior lighting, and power door locks.
What the fix does
Dealers will inspect the module and replace it if necessary.
Summarized — see the official notice for exact wording, dates, and contacts.
