The 1999 Honda Civic has two recalls, the most serious affecting compressed natural gas models: a severe interior fire near the rear seat can heat the CNG tank unevenly, causing the pressure relief device to fail and the tank to rupture and be ejected from the vehicle.
The second recall covers the driver's side airbag inflator, which can rupture during deployment and send metal fragments into the cabin, striking the driver or other occupants. This recall only affects CNG-equipped vehicles for the first issue, while the airbag concern applies to a broader range of Honda and Acura models built during this era.
At a glance
What can fail
The driver air bag inflator may absorb moisture and rupture or fail to fully inflate due to a manufacturing defect in certain non-azide inflator units.
What the fix does
The dealer will inspect the driver air bag inflator and replace it if needed with a different design inflator, at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
In a severe interior fire near the rear seat, the CNG tank may heat unevenly, which can prevent the pressure relief device from venting tank contents as intended.
What the fix does
A heat insulator material will be installed on the rear seat back to protect the tank from uneven heating during a fire.
Summarized — see the official notice for exact wording, dates, and contacts.
