Sticky residue can harden and attach firmly, so the correct cleaning method matters. Do not scrape a hot cavity or pour cold water onto it to loosen the spill.
What the observation means
The affected surface may be enamel, glass or a special liner, each with different limits. Let the appliance cool as instructed and identify the material before choosing a product or tool. An oven-floor spill is not the same as a removable baking-tray deposit.
A useful next step
Use the manual's approved care method. If the residue lies on an element or inside an inaccessible opening, leave it for assessment. Do not run repeated high-temperature cycles to burn away a large unknown deposit.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.