General Motors has issued a recall for select Cadillac XTS vehicles from the 2013-2015 model years and select Chevrolet Impalas from 2014-2015. According to a bulletin from the National Highway Traffic Safety Administration, some of those vehicles could suffer from a software glitch in the electronic parking brake system, which could result in a fire.
The bulletin explains that, because of the glitch, "the electronic parking brake piston actuation arm may not fully retract causing the brake pads to stay partially engaged". That means not only excessive wear and tear on the pads, but also excessive heat from friction caused by the pads' contact with the rotors. Under the right conditions, that heat could translate to a fire.
The recall is limited to 2013-2015 Cadillac XTS vehicles built between February 14, 2012 and August 22, 2014, and 2014-2015 Chevrolet Impala vehicles built between January 15, 2013 and August 22, 2014. All told, GM believes some 132,921 U.S.-registered vehicles are affected.
GM expects to notify owners about these two recalls before the end of the month. After receiving that notice, owners will be able to take their vehicles to their Chevrolet or Cadillac dealership, where the electronic parking brake software will be updated, free of charge.
If you believe that you own one of the affected XTS or Impala vehicles and have further questions, you're encouraged to contact Chevrolet customer service at 800-222-1020 or Cadillac customer service at 800-458-8006 and ask about recall #14471. Alternately, you can ring NHTSA at 888-327-4236 and inquire about campaign 14V541000.