2004 buick rendezvous fuse for cigarette lighter 2007 Fuses and relays Buick Rendezvous (2002-2007) 2005 buick rendezvous cigarette lighter

Corey et al., 2018

The reason for such product innovation was highly correlated to Mao Zedong's death as with the passing away of the chairman in the late 70s, sales too began to fall

Or possibly after each major event say if a fire gets close enough to be a big deal (rather than simply you know about it from the news). Owen also noted that wildfire smoke is a complex mixture, incorporating both physical smoke particles, which filters trap permanently, and water vapor and volatile organic compounds (gases), which are not trapped (and the latter of which create the smoky scent)

Source: General Motors Cancer Research Foundation