Toyota Soarer 400 (Celsior) sedan, due in 1989, Toyota commissioned its California design studio Calty to develop a new luxury coupe. In mid 1991, this vehicle debuted in the U.S. as the Lexus SC 300/400. That same year, Toyota debuted the third-generation Z30 series Soarer in Japan, replacing the Z20 series. The Z30 series Soarer shared the body and key components with the Lexus SC, with different interior features, powertrain configurations, and enhanced performance. The new Soarer continued some of the features of earlier models, such as digital dashboard instrumentation and integrated car systems control via the in-dash "EMV" touchscreen. It was
2009–11 Toyota vehicle recalls explanations. Others have come forward with their own stories about erratic vehicle behavior while using their cruise control. In March 2010, "Ward's Auto" reported that user unfamiliarity with the faster response of laser- and radar-based cruise control systems was a likely factor according to AAA, NHTSA, and manufacturer findings. The "Wall Street Journal" reported on February 25, 2010 that "safety regulators, human-error experts and auto makers say driver error is the primary cause of sudden acceleration." Regarding the 2009-10 Toyota recalls, "Ward's Auto" noted that NHTSA investigations over past years have found that the majority of sudden unintended acceleration cases