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In page Pontiac (automobile):

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In 1956, when Semon "Bunkie" Knudsen became general manager of Pontiac, alongside new heads of engineering, E. M. Estes and John DeLorean, Knudsen began reworking the brand's image. One of the first steps involved the removal of the "silver streaks" from the hood and deck lid which were a traditional styling feature beginning in 1933. These were eliminated from the 1957 models just weeks before they were introduced. The first Bonneville was also introduced. This was a version of the Star Chief convertible to showcase Pontiac's first fuel-injected engine. About 630 Bonnevilles were built in 1957. As a sporting model, they were built on the short wheelbase Chieftain chassis. Pontiac marketing described all Pontiac's as "America's No. 1 Road Car"[citation needed].