Auto-Recirculate Cabin Air When Using Windshield Washer
Summary
Prevent washer fluid odors by automatically enabling air recirculation when spraying.
How It Would Work
1. Trigger & Action
When the driver activates the windshield washer (via the stalk button or the touchscreen), the HVAC system immediately switches the cabin air intake to Recirculation mode before or at the moment the fluid sprays.
2. State Logging & Duration
The system caches the active HVAC intake state prior to activation (e.g., Auto or Fresh Air). The recirculation mode stays active for a short duration—typically 90 to 120 seconds—which allows enough time for the washer fluid to wipe clean and fully evaporate from the windshield and the intake cowl below.
3. Automatic Restoration
Once the timer expires, the HVAC system automatically reverts to its previous setting without driver intervention. If the user manually toggles the recirculation button during the countdown, the manual input takes precedence and cancels the timer.
4. Settings Integration
Add a simple toggle switch under Climate Controls: "Auto-recirculate on washer use" (Enabled by default), allowing users to disable the feature if preferred.
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