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.