What is the significance of Leandra's Law for New York driving instructors teaching about DWI?

1. It reduced the statewide legal BAC limit for DWI from 0.08% to 0.05%
2. It makes it a felony to drive while intoxicated with a child under 16 in the vehicle and requires ignition interlock devices for all DWI convictions
3. It applies only to commercial-vehicle operators who drive with child passengers
4. It provides immunity from criminal penalties for a first-time DWI conviction