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.
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HOMESERVICE MANUALSHYUNDAI1998SONATA BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSSHIFT INTERLOCK SYSTEMSSYSTEM TESTSKEY LOCK SYSTEM
1998 Hyundai Sonata Base, Standard
Key Lock System
1998 Hyundai Sonata Base, StandardSECTION Key Lock System
- With gearshift lever in any gear except Park, ensure ignition key cannot be turned to LOCK position. Place gearshift lever in Park. Ensure ignition key can now be turned to LOCK position.
- If key lock system operation is not as specified, check key lock solenoid. See KEY LOCK SOLENOID under COMPONENT TESTS. If necessary, check wiring and ground connections. See WIRING DIAGRAMS .
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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.