Car is 2006 Cadillac sts4 AWD with 3.6L V6 engine. Rear differential leaks oil, car has 7,000 miles. Brought it in for service and a seal was replaced. Less than 60 days later it is leaking again.

- Mount Airy, MD, USA

2006 Cadillac Sts four wheel drive V8. The rear differential lock-up without warning going at 65 mph on I-94 eb freeway at the 10 mile rd exit in Michigan causing the vehicle to be out of control and spin around three times in a circle from the left lane to the right lane across the entire freeway coming to a complete halt on the right side shoulder. The vehicle came close to upending and rolling over. Lucky the driver behind the Cadillac was able to keep control of their car and bring it to a stop which helped th prevent any oncoming vehicles to hit the Cadillac. The locking up of the differential was a violent reaction causing the driver to have no control over the vehicle because the car turned off. The driver had no control over the spin. A report was filed with the Michigan state police. The vehicle had to be towed to don gooley Cadillac dealership in St. Clair shores, Michigan.

- Grosse Pointe Shores, MI, USA