Remove adhesive from glass without damaging defrost conductors?

We have a car with the residue of a parking authorization sticker in the rear window. The part with the printing came away, leaving the adhesive
layer. What is likely to be suitable to remove that adhesive without damaging the defrost conductors?
Perce
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On 04/15/2016 11:51 AM, Percival P. Cassidy wrote:

A guess: Pam or Goo Gone. Spray/dab on, let sit for a while, wipe off with a paper towel. Safety probably depends on how gently you wipe.
--
Cheers, Bev
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