The Lexus RX330 Ignition Lock Assembly allows drivers to have secure engine starting control and steering wheel lockout when the car is in park. Using a keyed cylinder mounted on the steering column of Lexus vehicles, this Ignition Lock Assembly only sends power from the battery to the starter, ignition, and components when the correct transponder key matches the computer code, thwarting attempts to steal the vehicle. Earlier RX330 models feature the same four-position Ignition Lock Assembly with ACC, ON, START, and LOCK detents so that radio use without the engine running is possible and shift interlock protection in Park is possible. Inside the production of Lexus vehicles, the later years of RX330 still retained the traditional Ignition Lock Assembly but added smarter chip keys for better security. Although robust, constant key insertion leads to wear that could jam the Ignition Lock Assembly, cut power to components, or ignite the anti-theft warning. Regular key inspection and quick replacement of a failing Lexus RX330 Ignition Lock Assembly ensures reliable starts and is part of the brand's commitment to driver safety over the years.
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