Los Angeles International Airport, LAX, is one of the busiest US Airports and a key gateway to Asia and the Pacific.
Consider LAX "Flyaway" bus service which operates every 30 minutes, especially if you live near the bus pickup points.
The Los Angeles World Airports website covers LAX Los Angeles, ONT Ontario (both are major airports), plus the Regional Airports at Van Nuys and Palmdale. Unfortuntely that site is not very easy to navigate - here are some of the most important links from the site:
Parking
Ground Transportation
Airlines
News & airport facts
Maps
LAX FAQs
Concessions
Gift Shops and News Stands
You can reserve your LAX parking in advance with Airport Parking Reservations