It doesn't exist.
It does not have a reset button or inertia switch.
GM vehicles do not have inertia/reset switches.
doesnt have a reset, it only has a relay under the hood.
Arthur Button died in 1991.
Press reset button assembly located in trunk on driver side fender under carpeting
There is no ECU reset button.
Check in the front passenger footwell , under the front edge of the carpet , just to the right of the transmission hump . I believe that is where the fuel pump inertia switch ( shut off switch ) is located in a 1991 Ford Explorer
i don't know about a probe forsure but is in the trunk on a tompo or topaz on th left side near the top
A 1991 Oldsmobile does not have a reset button.
A 1991 Chrysler does not have a reset switch.
There is no trunk release on a 1991 Chevy Caprice.
People will be able to help you out a lot better if they know what reset button you are looking for. Make sure you say model, year, and what engine is in the car. Will be looking for more specific question so we can help you out.