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.
System Components
- Power trunk module drive unit (A).
It is installed inside the left trunk trim of the car and opens and closes the trunk connected to the push rod through the gear motor. It is composed of ECU and drive unit. The drive unit is composed of drive bracket, gear motor, push rod and drive arm.
- Power latch assembly (A).
It delivers the signals on the trunk lid opening/closing to the power trunk module drive unit.
It is composed of power latch and cinching actuator.
- FOB key
For opening or closing, press the power trunk module button (A) on the wireless transmitter more than one second. If the button is pressed again while the trunk is closing, the trunk operation stops.
- Trunk inner switch.
It is installed in the trim inside the trunk and you cannot manipulate it when the trunk is closed.
If the lock switch is on, PTM unit transmits the trunk lock signal to SMK.
SMK uses bumper antenna to carry out FOB authentication after signal reception. If the registered FOB key is detected, its searches the indoor area.
If all doors are closed and there is no FOB key inside, SMK transmits the door lock command to DDM and the trunk close command to PTM.
DDM and PTM carry out the command and the door is locked and power trunk is closed.
- Buzzer
- Main switch.
It is mounted in the passenger side glove compartment. It is used to control power trunk LOCK/UNLOCK operation.
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.
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