My wife States her equinox keeps saying to service esc brake and brake assist and parking brake. He back brakes are pretty worn and I'm planning to replace them ASAP. Wondering if changing the brakes should solve all those messages? Also my wife says her equinox has poor throttle we response, could this be the system detecting brakes need done? Last issue is the shifter gets stuck and she has to go back into park and move again to the drive mode she desires. Is there away to service the shifter or is this a replace the while shifter unit kind of deal? And help is greatly appreciated.