My question involves an injury that occurred in the state of: California

Hi

I'm new to forums and I'd like to thank anyone who takes the time to look at this post.

I was in a car accident earlier where I was making a turn and a van made a sudden lane change and smashed right into my right side.

I just want to know if it's my fault for not noticing his sudden lane change and what I should do to alleviate any possible charges.

I'm going to file a police report later tonight, and I'm waiting on an appointment to see a doctor for a checkup. My insurance company hasn't called me yet (nor the other driver's company). The other driver didn't have a camera phone and someone stole mine earlier, so we had to take photos with a disposable camera the company had in the van. They have the photos right now. I took photos of my car after it was towed to my house. Is there anything else I should do?

Detailed Version:

I was at a midway left turn into a plaza, I waited for incoming traffic to stop. 2 trucks were on the far right lane of the road and the second truck opened up a gap for me and gave me the OK. I checked the other lanes and saw only a white van coming behind the truck that stopped. I start making my turn and the van suddenly changes lanes into his immediate left (I can only imagine to keep from stopping and preserve his speed) and smashes into me. My car front is totaled and his van's left side has a broken wheel and light-medium damage to the left side. This is a small company van, so technically, if it comes out to be a charge, it'll be a company against me.