Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

It was the same tale in the spring of 2014 when General Motors admitted that some of its compact cars, such as the Chevrolet Cobalt and Pontiac G5, had been fitted with a faulty ignition switch that could flip from the "run" position to the "accessory" position while driving, cutting the engine power and disabling the airbags.

Answer: manufacturer: Chevrolet Cobalt, General Motors