I have a 2015 Ghibli Q4. It has the GranTurismo package I believe and larger braking system. A few days ago when backing up my brakes locked up and ABS, Traction Control, and (P!) Light came on as well as "service ABS system" check. I eventually got the brakes to let go but the lights are still...

Hi and thank you to everyone for all the information I have found on my new toy. I took delivery in FL 10 days ago, drove it for about 500 miles and found that there was a leak in my lr tire. Couldn't be plugged so I replaced both rears with 275 40 zr18's. The fronts are 235 40 18. This work...