I just bought a 2013 elantra about 1 month ago so im still feeling the car out, however im noticing a lot of vibration in my passenger seat while driving and i hear a high pitch noise coming from it i know it has the sensor and airbag so i was wondering if anyone has the same issue?
what model did you get? on the 14SE, I was told that the tires needed to wear a bit, as my vibration issue was mostly due to the tires setting in 1 spot for a long time. After 1000 miles, they all smoothed out. the noise may be something else, maybe a seal in the door.