Where is the heated mirror switch located on the Volvo S90?

3 Answers
ArcherAnn
07/29/25 9:24am
Volvo S90's heated mirror switch is located on the vehicle's air conditioning control panel. Additional notes on using the rear window defroster are as follows: 1. Automatic shut-off feature: When the rear window defroster is activated, it will automatically turn off after reaching a certain temperature or operating for a certain duration. This function is designed to protect the internal heating elements. 2. Regular application of rain repellent: If the vehicle is frequently driven in rainy conditions, it's recommended to periodically apply rain repellent to both side mirrors and the windshield. This helps maintain better visibility for the driver.
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DeColeman
08/12/25 9:46am
I previously drove a Volvo S90, which didn't have a dedicated button for the rearview mirror heating function. It was combined with the rear window defogger feature. The switch is located on the driver's side center console air conditioning panel, near the middle area, marked with a rectangular icon containing wavy lines and two small vertical lines representing the rear window and mirrors. After starting the car, simply press that button - it will automatically activate the heating function based on external temperature, without needing to hold it down. I used it most frequently in winter, especially helpful during snowy or rainy days when mirrors fog up. The button has a satisfying crisp tactile feedback. If you can't find it, check the user manual or look for climate settings in the touchscreen menu on the right side of the steering wheel, where you can sometimes control it manually. Overall this design is very user-friendly, saving time from searching for switches on the mirrors themselves. Remember to clean the edges and gaps around the mirrors during maintenance, otherwise the heating efficiency may be slightly reduced - I once experienced it getting slightly stuck before.
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DelLeilani
10/06/25 5:33am
I recently bought a Volvo S90 myself and was initially confused about the heating function. Its rearview mirror heating switch is actually hidden in the climate control area, sharing a button with the rear window heating. The button is located on the driver's side of the center console, featuring a square wave pattern with small dots representing the mirrors. After starting the vehicle, simply press it once to activate the heating, which usually takes about 5 minutes to defrost. This design is quite smart, unlike some cars that require manually turning a small switch. I use it frequently during humid or icy seasons to prevent blurred vision. If it doesn't respond, first check the vehicle's power status, then try resetting the climate control panel; occasionally, loose wiring might cause unresponsiveness. When washing the car, be careful not to let water seep into the button gaps to prolong its lifespan. Overall, I feel Volvo has put thoughtful consideration into this feature—simple and practical.
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