2024 Volvo XC40 Powertrain & Transmission Problems

Brake system failed. I was NOT in one pedal mode. I have up to date software. After break system failed I was unable to put vehicle in park. Parking break could not be applied. Could not turn car off or lock doors. I was driving on interstate when it occurred. I got multiple warnings on display. I was lucky to pull over and not crash.

2024 Volvo xc40 with 10,000 miles suddenly became completely disabled on the express lane of a highway. The flashers were inoperable. The windows could not be opened. Road ranger was called. Nothing was wrong with the battery. Car was towed to a safe spot. Car was taken to Volvo dealership. Volvo determine that serpentine belt came apart and the tensioner was the cause - a manufacturer defect. This was very dangerous situation for the driver and unusual for a car with such low miles to have such a break in the serpentine belt. Fortunately there was an accident ahead and cars were traveling slowly in the express lane.

I pulled over right side of street to park behind a parked vehicle to a visit house across the street. Was too far out from curb so I backed up about 12-15 feet or so. Put car in drive and slowly started to drive toward curb when car suddenly accelerated very hard. I turned steering to left to avoid hitting the car in front, straightened car out but could not stop it until it stopped about 20-30 feet down the road. Brake was not stopping my car. The acceleration was something like being on a ramp to get on highway and pressing pedal down to get to highway speed. It was a very hard acceleration. Very frightening. I got an appointment tomorrow for volvo service to look at this. Drove the car after this happened and today without any incident. I bought the car new in Mar 2024 and have NEVER experience this.