The Lexus RX is a mid-size luxury crossover SUV sold since 1998 by Lexus, the luxury division of Toyota. The first generation included the Lexus RX300, which ended production for model year 2003. All model years of the Lexus RX300 have keyless entry remote fob smart keys that are onboard programmable, which means a person can program the keyless entry remote fob smart key with no special equipment other than the keyless entry remote fob smart key programming instructions.