The Love Bug all the future scenes when Jim is braking. The second instance is on the ignition key, when Jim tries to shut down the braking Herbie. The later sequels produced, however, do promote the Volkswagen name (as sales of the Beetle were down when the sequels were produced). The VW "Wolfsburg" castle emblem on the steering wheel hub is also seen throughout the car's interior shots. Within the script, the car was only ever referred to as "Herbie", "the small car" or "the Bug"—the latter, although a common nickname for the Beetle, was not trademarked by Volkswagen at the time of
Volkswagen Beetle top speed around 100 km/h (62 mph), which would be a viable speed on the "Reichsautobahn" system. As Autobahn speeds increased in the postwar years, its output was boosted to 36, then 40 hp, the configuration that lasted through 1966 and became the "classic" Volkswagen motor. The Beetle ultimately gave rise to variants, including the Karmann Ghia, Type 2, and external coach builders. The Beetle marked a significant trend, led by Volkswagen, Fiat, and Renault, whereby the rear-engine, rear-wheel-drive layout increased from 2.6 percent of continental Western Europe's car production in 1946 to 26.6 percent in 1956. Over time a