How to switch on rear window and mirror heating in a Volvo XC90
The current online manual can describe newer software than your car originally had. Use these steps only when the displayed controls match.
The rear-defroster control heats the rear windscreen and wing mirrors to help remove condensation and ice. You can activate it from the climate display. Automatic rear defrost may also be enabled in climate settings for cold starts.
Step by step
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Common questions
Does the mirror heating have a separate control?+
The cited procedure activates rear-window and wing-mirror heating together with the rear-defroster control.
SOURCES & SCOPE
Where this guide comes from
Written from the official references below, reviewed on 25 October 2026. This is a source-based guide, not a claim of hands-on vehicle testing.
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