If you disconnect your battery you have to reporgram your driver side window switch to “see” the passenger window.
Passenger Window Relearn / Initialization — 2005-2010 Scion tC
1️⃣ Turn ignition ON
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Key to ON
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Engine can be off or running
2️⃣ From the passenger switch, lower the passenger window
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Press the passenger window switch DOWN
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Hold it until the window is completely down
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Keep holding for 2–5 seconds after it reaches the bottom
3️⃣ Fully raise the passenger window
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Pull the same switch UP
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Hold it until the window is completely closed
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Keep holding for 2–5 seconds after it reaches the top
4️⃣ Test the driver switch now
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Press down once → window should auto-down
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Pull up once → window should auto-up
✅ If it works, you’re done.
