deliver them in Beijing and Shanghai. But local media reported last week that 23 customers outside the two cities were complaining they had not received delivery notices, despite being among the first batch of buyers.
Musk said he had personally apologised to some disgruntled buyers and explained to them that the delay was due to a lack of service outlets or charging stations in their areas.
"If there is no service center within a long distance from someone's house and we haven't resolved any charging question marks then there's a high risk that they will not have a good experience," he said.
Tesla, which opened a flagship store in Beijing late last year, plans to open stores in 10 to 12 Chinese cities by the end of 2014 as it expects China, the world's biggest auto market, to contribute one third of its global sales growth this year, China head Veronica Wu said in January.
Tougher competition is expected ahead. BMW aims to import its i3 this year, Volkswagen plans to sell more than 15 green vehicle models in China by 2018, and Daimler AG has formed a venture with Chinese carmaker BYD Co Ltd to make electric vehicles.