Another train of the same type was sent to assist the failed train, and was eventually coupled to it at 20 : 20 but by this time passengers had used the emergency release handles to open the train doors in an attempt to improve ventilation ( as the air-conditioning and lighting systems were no longer functioning by this point ).
32.
OnStar, formerly unavailable on the Grand Prix, was made standard on GTP, optional only on GT . The SE got revised frontal styling in the form of the GT and GTP front bumper cover in place of the older SE-specific front fascia, standard rear spoiler, and in-trunk emergency release; manual dual-zone climate-control replaced the optional electronic automatic unit previously offered.