general problems of the 2014 GMC Yukon

State farm is investigating the accident to see what, if anything, malfunctioned in my braking system. I ran a red light but when I pressed the brake upon approach of the red light my brakes didn't catch and so when I pressed them, I kept going at the same speed. I was going between 30 and 40 miles per hour I believe. Three cars were involved. I have a sore neck, chest, and burn marks in my neck region. I suspect my truck will be totalled. We performed routine maintenance on the vehicle. It had a little over 100k miles on it at the time of this wreck. There is not a recall on braking for 2014 models, but I see there is one for 2015.

Driving down road car locks and unlocks, breaks lock up, slows down, radio went off ac starts going high and low took to dealership they said bad negative battery cable was told had a short got vehicle back driving down road ac starts going from high to low steering wheel goes up and down on its own breaks lock up again says service traction control flashing almost got hit by a semi my wife was driving and had three kids in car dealership will not do anything have owned car for 1 week. I have read now this is a common occurrence, this is not safe in anyway shape or form someone is going to get killed!!!!!.

Was involved in an accident unable to stop in time. Uninow if this is related to the brake potential recall but I have noticed potential stoping distance changes when using the vehicle for long periods I assume it is just from use. Figured this information would be useful with the current investigation.