Sienna AWD V6-3.3L (3MZ-FE) (2004)
The activation prevention mechanism is built in the connector for the squib circuit of the SRS.
As explained in the troubleshooting later, insert a paper with the same thickness as the male terminal between the terminal and the short spring to release
it (Refer to illustrations).
CAUTION: Never release the activation prevention mechanism on the squib connector.