1. A method of controlling a restraint device in a vehicle during a crash, the method comprising: sensing a lateral condition; classifying the crash based on the lateral condition; sensing a roll value; comparing the roll value with a plausibility region; and activating the restraint device based on the classified crash and when the roll value falls within the plausibility region, wherein classifying the crash based on the lateral condition comprises determining a processed lateral condition from the lateral condition, wherein the processed condition comprises at least one of a derivative of the lateral condition, a slope of the lateral condition, and a rate of change of the lateral condition, comparing the lateral condition and the processed lateral condition to a soil-trip threshold, comparing the lateral condition and the processed lateral condition to a curb-trip threshold, activating the restraining device based on a soil-trip rollover crash when the lateral condition and the processed lateral condition cross the soil-trip threshold, and a curb-trip rollover crash when the lateral condition and the processed lateral condition cross the curb-trip threshold.