Method for controlling flow of gas into an airbag includes generating gas, directing the gas into the airbag, and controlling the flow of gas into the airbag based on conditions at the time of deployment such that the airbag is variably deployed dependent on ambient conditions. A related arrangement for controlling flow of gas into an airbag includes a system for generating gas, a system for directing the gas into the airbag and a system for controlling the flow of gas into the airbag based on conditions at the time of deployment such that the airbag is variably deployed dependent on ambient conditions.