The Car Doctor - 7/16/22 - Denali with an OnStar Alarm

Ron starts this episode talking about learning new things : then talks about the Toyota Sequoia he worked on this week with AC problems : takes a call on a 98 Ranger with a stiff shifter lever : takes a call on an 09 GMC Sierra with no signal between the ECM and the starter : takes a call on a 21 diesel Denali where the listener is getting an OnStar alarm that the DEF fluid system needs service.

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