1. Make sure that your stove is cool and wear protective gloves    2. Using a dry use stove glass cleaner   Dry use stove glass pad's are exactly that, they are made of a fine wire wool and therefore they will simply rub off any debris from the glass...

Stove glass is often held in with clips and if this is the case then a lubricant such as WD-40 applied to the bolts will help to loosen then as it is not uncommon for them to rust up.    The glass should not touch the metal of the stove...