[ghshephard]

DIVISION 16.6. AUTONOMOUS VEHICLES ...

38750. (a) (4) An “operator” of an autonomous vehicle is the person who is seated in the driver’s seat, or if there is no person in the driver’s seat, causes the autonomous technology to engage.

...

38750 (c) (1) (G) The autonomous vehicle has a separate mechanism, in addition to, and separate from, any other mechanism required by law, to capture and store the autonomous technology sensor data for at least 30 seconds before a collision occurs between the autonomous vehicle and another vehicle, object, or natural person while the vehicle is operating in autonomous mode.

[jfoutz]

So if I remotely summon an autonomous car to pick up a kid from school, the carpool lane is legal while the car has only the kid?

[ghshephard]

Note that the above defines an operator, and regardless, in your scenario, you aren't in the vehicle.