The emissions modification calibration by Volkswagen causes the coolant to be exposed to elevated temperatures due to higher exhaust gas recirculation (EGR) use to control emissions. These elevated higher temperatures degrade the coolant faster than designed and lead to precipitates falling out of solution in the factory filled G13 coolant. This causes buildup and deposits to form throughout the cooling system, particularly in the heater core which can block proper coolant flow & lead to coolant system failure, specifically of hoses associated with the heater core. When these fail the engine can over heat, and stop which causes loss of steering, propulsion and braking abilities. There is a similar problem on 2012 models with the TDI engine, which has been addressed but the 2015 models are being stranded on the roads creating a safety hazard to the drivers of the vehicles and other motorists on the road.

- Mentor, OH, USA

Today with only 16000 miles the power brakes stopped working and required that I use the ebrake and use both feet on the brake pedal, the engine was still running I suspect there is a brake booster problem

- Modesto, CA, USA

This is a 2015 tdi golf that sat on the dealer car lot for more than two years. We bought it spring 2018. Minimal maintenance done on vehicle when car was purchased. In fact, we bought three. Tires had flat spots, and had to all be replaced. My daughter's car developed soft brakes. Mine as well, and not stopping well. Her car failed to stop, resulting in a crash...this needs to be checked out that the brake flush and fluid are replaced earlier than the "recommended" 30,000 mile maintenance. Before others are injured. Please

- San Antonio, TX, USA