At school unloading, the driver has turned off the ignition and removed the key while supervising students. Which sequence is appropriate before pulling away?

1. Close the door, fasten the safety belt, start the engine, engage the transmission, release the parking brake, turn off red lights, signal left, check mirrors, and wait for traffic to disperse
2. Start moving before closing the door so late students can step out
3. Leave red lights flashing and enter traffic immediately
4. Skip mirror checks because the unloading happened on school property