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 MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEMREPAIR INSTRUCTIONSCOMMUNICATION INTERFACE MODULE BATTERY REPLACEMENT

2008 Chevrolet HHR LT, 2.4 P, Automatic

Communication Interface Module Battery Replacement

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Communication Interface Module Battery Replacement

Fig 1: Communication Interface Module Battery Replacement

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

Remove the rear seat. Refer to Rear Seat Replacement .
Remove the right rear quarter lower trim panel. Refer to Rear Quarter Lower Trim Panel Replacement .

Communication Interface Module Battery Nut (Qty: 3)

NOTE: Refer to Fastener Notice .

Tighten: 10 N.m (89 lb in)

Battery, Communication Interface Module
Tip: Disconnect the electrical connector.

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.