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
What Love Is Made Of three minutes and fifty-five seconds (3:55), "What Love Is Made Of" is an uptempo dance and house track that has been described as "rave-y" and "trance-y". Its instrumentation contains the sounds of pianos and synthesizers. Jordan Sargent of "Spin" observed that it continued the musical style first introduced in Katy's 2012 extended play (EP), "Danger EP", which was "straight-forward house". Idolator's Sam Lansky compared her performance in the song to recording artist Siobhán Donaghy. Critical response to "What Love Is Made Of" was generally positive: most critics noted Katy's vocal performance and commended its sound. Siân Rowe from "NME" was