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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 368 (KEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONS)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM INOPERATIVECIRCUIT/SYSTEM VERIFICATION
2008 Chevrolet HHR LT, 2.4 P, Automatic
Circuit/System Verification
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2010 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The diagnostic assumes the transmitter worked with the vehicle at one time.
- Place the transmitter on the J 43241
test pad and press each transmitter button one at a time. See Special Tools . The tester should sound a tone and illuminate a green light with each button press.
- If one or more buttons do not function, replace the transmitter battery and retest with the J 43241 . See Special Tools . If the condition continues after battery replacement, replace the transmitter.
- Operate the transmitter function while observing the vehicle. The vehicle should perform each of the corresponding functions selected on the transmitter.
- If any function does not work, program the keyless entry transmitter, refer to Remote Control Door Lock Transmitter Programming . If any function still does not work after reprogramming, replace the transmitter. If any function still does not work after replacing the transmitter, replace the RCDLR.
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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.