(Reuters) – Tesla Inc on Monday said it was having a planned downtime on the Model 3 production, after a BuzzFeed report said the carmaker had temporarily shut down Model 3 production in the company’s Fremont, California, plant without warning.

BuzzFeed report here.amBP632vJ&bftwnews#.uyJoVKrlv, citing Tesla employees, said workers were expected to use vacation day or stay home without pay during the four- to five-day production pause.

“These periods are used to improve automation and systematically address bottlenecks in order to increase production rates,” a Tesla spokesperson said.

“This is not unusual and is in fact common in production ramps like this.”