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 160 (IMA SYSTEM)SYSTEM DESCRIPTIONCLIMATE CONTROL UNIT AUTO IDLE STOP CONDITIONS
2008 Chevrolet HHR LT, 2.4 P, Automatic
Climate Control Unit Auto Idle Stop Conditions
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Climate Control Unit Auto Idle Stop Conditions
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
The climate control unit calculates a maximum time for auto idle stop. This time depends on whether ECON ON or ECON OFF is selected.
- ECON ON: In this mode, the climate control unit prioritizes fuel consumption and calculates the longest time possible before the windshield may fog. The engine restarts when the time expires.
- ECON OFF: In this mode, the climate control unit prioritizes passenger comfort and calculates the time before the in-vehicle temperature would become uncomfortable. The engine restarts when the time expires. This time is typically shorter than when ECON ON is selected.
RENDER: 1.0x
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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.