Recalls 1 and 2 describe the same underlying defect. I'll treat them as a single issue.
The 1990 Buick Reatta has 3 recalls, the most serious being a wiring defect in the airbag's forward sensor that can delay deployment in a crash, reducing protection for an unbelted driver.
The airbag sensor wiring may have been assembled with part of the circuit reversed, which slows the signal that triggers the airbag. In a collision where deployment timing is critical, that delay means the bag may not be fully inflated when the driver makes contact with the steering wheel. There is also a compliance recall involving the brake system warning light: the light does not illuminate when the ignition is on, the parking brake is applied, and the transmission is in Park or Neutral, leaving the driver without the expected visual cue that the parking brake is engaged.
At a glance
What can fail
The brake system warning light fails to illuminate when you turn on the ignition, apply the parking brake, and shift into Park or Neutral.
What the fix does
The body computer module's memory chip will be replaced to restore proper warning light operation.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The front sensor that triggers the airbag system may have been incorrectly manufactured. Under certain conditions, this could delay airbag deployment, potentially injuring the driver.
What the fix does
The front sensor will be inspected and replaced if needed.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The front airbag sensor may have been built with part of its wiring harness connected in reverse, which could prevent the airbag from deploying correctly.
What the fix does
The front airbag sensor will be replaced as needed to correct the wiring.
Summarized — see the official notice for exact wording, dates, and contacts.
