Ron starts this episode asking how long a car part should last and trust in your mechanic – takes a call on an 05 Hyundai Santa Fe where the passenger headlight is dim, and after it is gassed up, it is difficult to start – answers an email on what constitutes a synthetic blend – call on a 2010 Chevy Aveo that is burning oil, somewhere – talks about using plugs in tires – and answers an email on a vehicle taken to a dealership for an oil change where the writer asked what the oil was and was told the oil was approved by the manufacturer, end of discussion.