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.
Inadvertent Power Feature
Inadvertent power feature provides a similar function for the interior lamps as a retained accessory power feature. The BCM will energize the courtesy lamp high control circuit and the inadvertent power courtesy lamp circuits when the BCM is in the active state (awake). When these circuits are energized, voltage is to all the interior lights, including the courtesy, cargo, reading and vanity lamps. Any time a switch is activated to the ON position the BCM will wake up and apply voltage to the lamps after the ignition is turned OFF so that the interior lamps may be operated. The inadvertent power feature will also act as battery run down protection by deactivating the circuits after 20 minutes once the BCM becomes inactive (ignition OFF and no BCM input activity.)
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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.