Stainless Steel: Wipe down the hood and control panel with warm soapy water and a microfiber cloth. For fingerprints and water spots, use a stainless cleaner with the grain — never against it. Avoid bleach or abrasive scrubbers; they pit the finish.
Grates: Brush after every cook with a quality grill brush. Once a season, remove and soak in warm soapy water, then dry fully before reinstalling. Cast-iron or porcelain-coated grates should be lightly oiled before storage.
Burners & Igniters: Inspect the burner ports seasonally and clear any debris with a wire pick. For propane, check the regulator and hose annually. For natural gas, have a licensed pro inspect the line yearly. Test each igniter at the start of every season.
Always cover your grill when not in use — a fitted, vented cover is the single biggest factor in how long a grill lasts outside.