It turns out that getting to San Jose is only the beginning of the problem. You must then avoid getting lost while there.
I failed to print out directions to the office before leaving home. This eventually resulted in my pulling over in a parking space and enabling voice instructions from Google Maps on my phone to the great detriment of the battery.
We printed out mostly correct directions to the hotel before I left work, but then I decided to head out to find some food after checking in. And I missed a turn. Oops.
There wasn't enough charge in the phone to risk Google Maps again, but dead reckoning eventually got me to the restaurant. After dinner, I headed back to the hotel.
And missed a turn. And wound up back at the airport.
One more missed turn later, I finally got back to the hotel.