I drove the new convertible to northern Va today (yes in all the rain). It was a 350 mile trip. We've got two issues. The first was that at the halfway point we got out of the car. My wife was riding in the passenger's seat and pointed out that there was some water on the passenger side floor mat. We had the A/C on for that half of the trip. Initially I couldn't tell if we had an A/C issue or an actual water leak. We switched to defrost for the second half of the trip and saw no more water on the floor mat so I am guessing it was condensation. This shouldn't have happened IMO. Any thoughts?
Second issue/problem is with the speedometer. I've been using my Garmin GPS to check its accuracy. It is off by about 1-2 MPH all the way up to 70 MPH. It reads faster than the car is actually going. What I noticed today is the difference in the reading vs. actual gets worse after 70 MPH. Indicated 80 MPH is only 75 actual MPH. I'm not type A about most things but I am one of those drivers who wants to know exactly what my speed is so that I can know how far I can bend the rules. My car came with the factory 3.55 gears. I'm wondering if there is no speedo / computer correction from the factory for these gears? The speedo is off just enough to be annoying. I'm reluctant to let the dealer touch anything in the dash. The speedo in my 96 Cobra was dead on all the way up. Any thoughts?
Second issue/problem is with the speedometer. I've been using my Garmin GPS to check its accuracy. It is off by about 1-2 MPH all the way up to 70 MPH. It reads faster than the car is actually going. What I noticed today is the difference in the reading vs. actual gets worse after 70 MPH. Indicated 80 MPH is only 75 actual MPH. I'm not type A about most things but I am one of those drivers who wants to know exactly what my speed is so that I can know how far I can bend the rules. My car came with the factory 3.55 gears. I'm wondering if there is no speedo / computer correction from the factory for these gears? The speedo is off just enough to be annoying. I'm reluctant to let the dealer touch anything in the dash. The speedo in my 96 Cobra was dead on all the way up. Any thoughts?