The term 'auto crash' is a synonym for the word 'COLLISION', which is defined as an instance of two or more objects coming into contact with each other. An auto crash is a type of COLLISION that involves motor vehicles, such as cars, trucks, and motorcycles. Auto crashes can be caused by a variety of factors, including driver error, mechanical failure, weather conditions, and road conditions. The consequences of an auto crash can range from minor property damage to serious injury or death.