To clean the cooktop, apply the Cre’me onto a cool cooking surface and scrub it using a clean towel.
Examine the power supply, as fuses may have melted or circuit trips may have occurred.
No, this cannot be done because foil may stain the glass surface as it melts.
Cleaning creme should be used at regular intervals while scrubbing pads or abrasive cleaners should be avoided.
Yes, there does exist an year long warranty that covers all the parts that have usage done within a domestic setting as well as a limited 3 year warranty of the cooktop surface against thermal shock breakage.