Manufacturers responded in various ways, and with different degrees of success.
Despite the cost of air bags, manufacturers are responding to what they believe will be customer demand.
In theory, it is an unbeatable system - but no one knows how many manufacturers will respond.
Manufacturers responded by releasing a new generation of models with the feature.
Japanese and American manufacturers responded with compact vans since the 1960s.
Some manufacturers have responded to the current confusion in the retail scene by opening their own stores.
These manufacturers did not respond to requests for interviews.
Manufacturers and retailers have responded to consumer demand for products that are less harmful to the environment.
Rival manufacturers responded with lower prices and added features.
Manufacturers are responding with a host of high-tech features.