<Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (September 2008) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (September 2008) </Td> </Tr> <P> Other design factors may prevent a manufacturer from maximizing visibility . These include safety, as narrower pillars cannot be made strong as easily as thicker pillars, and size restraints pertaining to aerodynamics, as taller, more vertical windshields create additional drag and reduce fuel efficiency . They also include fashion and cost, whereby design and appearance considerations can be deemed preeminent . </P> <P> BLIS is an acronym for Blind Spot Information System, a system of protection developed by Volvo . Volvo's previous parent Ford Motor Company has since adapted the system to its Ford, Lincoln, and Mercury brands . </P>

Areas around your vehicle which can be seen in your mirrors are called