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  1. Wheels, Tires and Suspension
    Like the title says I have a 2015 Optima SX with 18 inch rims. I was wondering if I went to 20 inch rims wouldn't that affect the speedometer of my car? How exactly does that work? Is there a 20 inch rim and tire combination I can get that won't affect the speed or will they all affect the speed...
  2. Entertainment: Audio, Navigation, and Electronics
    Hi Guys, I have an Aus delivered 2012 with the Infinity touch screen GPS system. The problem is the time frequently displays incorrectly. If I have it set to auto it continuously displays the wrong time, usually fixes itself once the nav is used and gets a lock. I have attempted to set the...
  3. Engine and Technical Discussion
    I have been keeping an eye on my MPG and watching it go from 8MPG up to 30MPG in the same day. I am wondering how this car computes MPG. Take these examples from yesterday. I have 1800 miles on the car. I saw my gas gauge was getting low so I checked the 'miles to empty' option on my 2011...
1-3 of 4 Results