Video shot by a witness shows smoke rising from car as it appears pinned beneath the train.
[Ads /]
The exact cause of the collision is under investigation.
Amtrak officials say the train was traveling between San Jose and Oakland when it struck the car.
RELATED: Video shows train dangling over highway after fatal derailment
They say the car was illegally on the tracks.
[Ads /]
None of the passengers were injured though the train was evacuated, Amtrak says.
Amtrak says it is providing alternate transportation for customers to stop at Oakland Coliseum/Airport, Oakland Jack London Square, and Emeryville; the remaining passengers will be transferred to another train.