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 MANUALSCHEVROLET2009HHR L4-2.2LREPAIR AND DIAGNOSISBODY AND FRAMELOCKSDESCRIPTION AND OPERATION
2009 Chevrolet HHR L4-2.2L
Locks: Description and Operation
2009 Chevrolet HHR L4-2.2LSECTION Description and Operation
Access Panel Description and Operation
The rear access panels can be released by pressing the rear access panel switches. The transaxle must be in park or a vehicle with a manual transaxle, the vehicle must be stationary for the rear access panels to release.
The access panel release system consists of an interlock relay, two access panel relays, three release switches and two latches. When the appropriate release switch is pressed, the body control module (BCM) provides ground to the appropriate rear access panel relay, as well as, simultaneously signals the instrument panel cluster (IPC) to energize the interlock relay. Energized rear access panel release relay coil causes the switch contacts to close and allow B+ voltage to the appropriate rear access panel actuator. After the IPC energizes the interlock relay, the interlock relay switch contacts close and provide ground for the appropriate rear access panel release actuator. Having both power and ground the rear access panel actuator releases the panel door.
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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.