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 MANUALSCHEVROLET2011HHR L4-2.2LREPAIR AND DIAGNOSISBODY AND FRAMESEATSDESCRIPTION AND OPERATIONLUMBAR SUPPORT
2011 Chevrolet HHR L4-2.2L
Lumbar Support
2011 Chevrolet HHR L4-2.2LSECTION Lumbar Support
Lumbar Support Description and Operation
The driver lumbar support system consists of the following components:
* Lumbar adjuster switch
* Seat lumbar motor
* PWR SEAT circuit breaker 30A
* Lumbar support bar
Power and ground
Battery positive voltage is supplied at all times to the lumbar adjuster switch from the PWR SEAT circuit breaker. Ground is supplied to the lumbar adjuster switch from G301.
Lumbar Support System Operation
When the lumbar adjuster switch is pressed to increase or decrease lumbar support, the lumbar adjuster switch provides voltage and ground to the appropriate terminals of the seat lumbar motor. The seat lumbar motor then moves the lumbar support bar in the requested direction.
RENDER: 1.0x
NO RELATED
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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.