General Motors have notified the National Highway Traffic Safety Administration (NHTSA) about a safety problem affecting certain 2016 Buick Regal cars. Effective immediately, GM has put a stop delivery on new and used vehicle inventory and will be sending owners notices to return to their dealers for repairs. According to the defect report, the power-steering assist system could fail, increasing the risk to an accident.

Dealers will replace the electric belt drive rack and pinion steering gear assembly. (The manufacturer has not yet provided a notification schedule.) Owners wanting more information about the problem are asked to contact Buick customer service at 1-800-521-7300. GM’s number for this recall is 21510 and the NHTSA campaign number is 16V-108.