See also:

Safety note
- Do not disassemble or modify this system. If you do, it may result in accidents, fire, or electric shock. - Do not use this system if you notice any abnormality, such as a frozen screen ...

Towing load/specification
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Rear window and outside mirror (if so equipped) defroster switch
To defrost the rear window glass and outside mirrors (if so equipped), start the engine and push the rear window defroster switch on. The rear window defroster indicator light on the switch ...