Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Lexus GS 300FACTORY OEM SERVICE PROCEDURE
Testing System
- Open all the windows.
- Set the system as described above. The front door should be locked with the ignition key or wireless remote control. Be sure to wait until the indicator light, located on the light control rheostat, starts flashing.
- Unlock one of the doors from the inside through one of the opened windows. The system should activate the alarm.
- Unlock any of the doors with a key or the wireless remote control to cancel the system.
- Repeat this operation for the other doors, trunk and hood. When testing the hood, also check that the system is activated when the battery terminal is disconnected and then reconnected.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.