Scenic Power Window Issue

Sounds like the battery replacement scrambled the window regulator settings. Did you try the standard 'hold the switch down, then hold it up' initialization procedure? Sometimes that works. If not, the error code is key. Do you know the specific code number? That might point to a deeper issue with the car electronics or even the window motor itself.

Thanks for the quick reply! I did try the hold-down-then-up trick, but no luck. I don't have the exact error code number handy, but I can try to get it again. If the basic initialization doesn't work, what's the next most likely thing to check? Is it possible the window regulator itself failed coincidentally, or is it almost certainly related to the battery change and some kind of programming issue?

Given that it happened right after the battery change, I'd lean heavily towards a programming or initialization problem. It's possible the regulator failed, but the timing is suspicious. Honestly, without the specific error code and diagnostic tools, you're probably best off taking it to a workshop with Renault-specific diagnostic equipment. They can likely re-initialize the regulators properly. You might be chasing ghosts otherwise.

Okay, thanks for confirming my suspicions. I was hoping to avoid a trip to the shop, but it sounds like it's the most sensible option. I took your advice and had it checked out. Turns out the regulator initialization indeed failed. They re-initialized the window regulators with their diagnostic tool. Cost me 290€, but at least the windows work again! Thanks for your help!