Recently I've noticed that on startup my car (2011 Hyundai Genesis Coupe 3.8 V6 Track) makes a rattling sound for 1-3 seconds and goes away once there's oil pressure. When the car sits for 20-40 mins the rattle isn't as loud. Car drives good. Oil used is Mobil 1 5w20 and the car has about 66100 miles on it.
How long has your 2011 Hyundai Genesis Coupe had this problem?
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