LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Immobilizer) >> Description & Operation >> Keys >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Description & Operation: Keys: Notes

WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Duplicate keys must be made at a Lexus dealer, because a built-in transponder chip is needed to cancel the system or start the engine.

The types of keys are:

A transponder chip for the engine immobilizer system has been filled in the head of the master and sub keys and in the key case of the flat key. These chips are needed to enable the system to function correctly.