Tesla customers were locked out of their cars after the company’s mobile application suffered an outage on Friday. The car-maker giant’s CEO Elon Musk apologised to the drivers on Twitter saying that the company’s mobile application was coming back online after the issue. 

Approximately 500 users reported that they faced an error at about 4:40 PM ET, according to outage monitoring website Downdetector, as per the Guardian. There were just over 60 reports by about 9:20 PM ET. The customers complained on social media. 

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Elon Musk, Tesla Inc’s chief executive, responded to one such complaint saying hat the company’s mobile application was coming back online after the app server outage. The customer had said he was experiencing a 500 server error to connect his Model 3 through the iOS app in Seoul, South Korea.

“Should be coming back online now. Looks like we may have accidentally increased verbosity of network traffic,” Musk said.

“Apologies, we will take measures to ensure this doesn’t happen again,” Musk said on Twitter.

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Specialist electric vehicle website Electrek first reported the outage. It said that Tesla owners in the US and Canada, then from Europe and Asia faced the issue. 

According to Electek, Tesla’s systems rarely have outages, though the website said that, in September 2020, the company had experienced a complete outage of both its customer-facing servers and internal system for several hours.