'Basic functionality for level 5' was his exact words:
"I'm extremely confident that level five - or essentially complete autonomy - will happen and I think will happen very quickly.
"I feel like we are very close.
"I remain confident that we will have the basic functionality for level five autonomy complete this year.
"There are no fundamental challenges remaining.
"There are many small problems.
"And then there's the challenge of solving all those small problems and putting the whole system together."
Tesla 'very close' to full self-driving, Musk says
"I'm extremely confident that level five - or essentially complete autonomy - will happen and I think will happen very quickly.
"I feel like we are very close.
"I remain confident that we will have the basic functionality for level five autonomy complete this year.
"There are no fundamental challenges remaining.
"There are many small problems.
"And then there's the challenge of solving all those small problems and putting the whole system together."
Tesla 'very close' to full self-driving, Musk says