How to find appliance model number when the label is missing

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Pull out the bottom plate warmer or storage compartment to find the ID tag
2. 2
   Open the oven door and look on the left side of the opening or under the knobs
3. 3
   Check the legs of the unit when opening a warming drawer
4. 4
   Connect the appliance to the manufacturer smart phone app to retrieve information
5. 5
   Look for an additional sticker on the back of the unit
6. 6
   Assembling a cache of spare parts in advance
7. 7
   Relying on maintenance plans or warranties to cover expensive component replacements

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.