Quote:
Originally Posted by baby#yota
That’s a wild thing to have happen, I’ve often wondered how much strain I’m putting on my rear window when it’s half open and driving. Automotive class shouldn’t “explode” like that, which is odd, the resin laminate between the panes is supposed to stop that from happening. Very odd, if it was a kid with a pellet gun that’s an impressive shot but highly unlikely.
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The most common cause of this happening in 4th GENS T4Rs is the rear glass defroster connection overheating, but it could also happen from a tiny scratch expanding further.
Here's a recent topic sorta discussing the defroster issue.
how to disable rear defrost
Also just an FYI...in most if not all vehicles the only glass that is tempered AND also laminated is the windshield, all other glass is just tempered and will shatter into 1000s of pieces, the windshield is laminate to prevent injury of the glass hitting you in the face, etc..