Visit OnStar® for coverage map, details and system limitations. Services vary by model and conditions. OnStar® acts as a link to existing emergency service providers.
* At time of posting, detailed map coverage is available for most urban areas of the United States and for certain metropolitan areas of Canada (Vancouver, Calgary, Edmonton, Winnipeg, Windsor, London, Toronto, Ottawa, Montreal, Quebec City and Halifax). Coverage is significantly limited outside those areas.
** 2012 Buick Regal equipped with 2.4 L ECOTEC® I-4 engine featuring eAssistTM technology. Fuel consumption ratings based on GM testing in accordance with approved Transport Canada test methods. Your actual fuel consumption may vary.
† 2012 Buick Regal equipped with 2.4 L ECOTEC® I-4 engine featuring eAssistTM technology. Fuel consumption ratings based on GM testing in accordance with approved Transport Canada test methods. Competitive fuel consumption ratings based on Natural Resources Canada's 2011 Fuel Consumption Guide. Your actual fuel consumption may vary.