I notice tiny metallic flakes on the trim below the ignition switch, and I'm wondering if thats how the switches eventually fail. Do you recommend squirting some graphite in to minimize wear?

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma