Air Bag Crash Sensor Module Information
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Four ELVS Members (Audi, Mercedes-Benz, Toyota, and Volvo) manufactured vehicles during the model year period from 1984 to 1993 that contained Air Bag Crash Sensor Modules with mercury switches.

There is only one Air Bag Crash Sensor Module in a vehicle, typically containing two mercury switches. 

IMPORTANT:  Mercury switches are contained only in the Air Bag Crash Sensor Module section of the air bag system. Mercury switches are not found in air bag inflation units that are typically found in steering wheels, instrument or dash panels, some seat backs, or in the roof as side curtain air bags.

Warning: The air bag inflation units contain pyrotechnic devices that inflate the air bag during a crash.  Removing them requires special training, and they are notpart of the ELVS program. 
Only the Air Bag Crash Sensor Modules should be removed and shipped to the ELVS contractor.

Air Bag Crash Sensor Modules containing mercury switches which are covered under the ELVS program are found ONLY in the following vehicles: