Piston Slap: The Underutilized Headlight Phenomenon

TTAC commentator idesigner writes:

Sajeev,

Last night during my drive home I saw something I see all too often: In the year is 2017, there are still cars and trucks that don’t have all their driving light on! Instead, they’ll only illuminate their front lights (and I can imagine dash light as well) but not tail or side lights.

What’s up with this? Aren’t auto manufacturers smart enough to fix this phenomenon? Why isn’t there a sound like the seat belt chime that tells you your lights are not on?

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  • GregLocock That's a bodge, not a solution. Your diff now has bits of broken off metal floating around in it.
  • The Oracle Well, we’re 3-4 years in with the Telluride and right around the time the long term durability issues start to really take hold. This is sad.
  • CoastieLenn No idea why, but nothing about a 4Runner excites me post-2004. To me, they're peak "try-hard", even above the Wrangler and Gladiator.
  • AZFelix A well earned anniversary.Can they also attend to the Mach-E?
  • Jalop1991 The intermediate shaft and right front driveshaft may not be fully engaged due to suspected improper assembly by the supplier. Over time, partial engagement can cause damage to the intermediate shaft splines. Damaged shaft splines may result in unintended vehicle movement while in Park if the parking brake is not engagedGee, my Chrysler van automatically engages the parking brake when we put it in Park. Do you mean to tell me that the idjits at Kia, and the idjit buyers, couldn't figure out wanting this in THEIR MOST EXPENSIVE VEHICLE????