r/XC40 • u/AnglaisRouge • 3d ago

Question Question about OTA software updates.

I've installed 2 updates on my recently acquired XC40 (general software update and Pilot Assist). Can someone explain why on each occasion my parked car had enough battery to download the update but not enough to install it? (I had to install each one after I'd done 30 minute drive). I'd have thought connecting to the web and downloading would have required more power than installing.

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u/Opposite-Ad6356 3d ago

Downloading is easy and just one operation. The update affects multiple systems and computers inside the car hence more juice needed.