"But" nothing. This is a Technology Failure. Whomever worked on this software should face consequences. Hitting the brakes in the tunnel for no reason is a "ne

"But" nothing. This is a Technology Failure. Whomever worked on this software should face consequences. Hitting the brakes in the tunnel for no reason is a "never to this" kind of move. "But [...] other scenarios" is not the situation here. There is no escaped pet anaconda slithering across the tunnel floor. There's no Godzilla breathing fire inside the tunnel. It's just a car with no obstructions in front of it, none visible to any other drivers, and it's choosing to hit the brakes. There is no excuse. It's at the bottom of a downhill slope. There's a limited view of what's up ahead because the slope starts to incline inside that tunnel. Cars start to speed up. There is typically a massive amount of traffic on the bridge. Blame Tesla, full throatedly.