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.
Hazard And Horn Reminder
Power is supplied at all times
- to security horn relay terminal 2
- through 10A fuse (No. 78, located in the fuse, fusible link and relay box).
When BCM receives a LOCK or UNLOCK signal from electronic key, ground is supplied
[when specific door switch is ON (specific door is OPEN), BCM does not receive a LOCK signal (BCM receives a UNLOCK signal)]
- to security horn relay terminal 1
- through BCM terminal 127.
When BCM receives a LOCK or UNLOCK signal from electronic key, power is supplied
[When specific door switch is ON (specific door is open), BCM does not receive a LOCK signal.]
- to combination flasher unit terminal 6
- through BCM terminal 7.
combination flasher unit and security horn relay are now engaged, and hazard warning lamps flash and security horn sounds as a reminder.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.