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 MANUALSCHEVROLET2018SONIC PREMIER, 4D SEDAN, STANDARD TRANSREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSFIXED AND MOVEABLE WINDOW SYSTEMDESCRIPTION AND OPERATIONREAR WINDOW DEFOGGER DESCRIPTION AND OPERATIONREAR WINDOW DEFOGGER SYSTEM COMPONENTS
2018 Chevrolet Sonic Premier, 4D Sedan, Standard Trans
Rear Window Defogger System Components
2018 Chevrolet Sonic Premier, 4D Sedan, Standard TransSECTION Rear Window Defogger System Components
The rear window defogger system consist of the following components:
- The HVAC control module
- The body control module (Not programmed for this system for the Sonic US/Canada, Aveo Korea, and Holden Barina)
- The rear defogger relay
- The rear window grid
- Driver outside rearview mirror
- Passenger outside rearview mirror
- 30A fuse
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.