Smeg oven side racks or telescopic runners are difficult to slide or jam during use.

Safety first: Ensure the oven is cool before removing racks.

• Remove and clean: Take out side racks and telescopic runners. Soak in warm soapy water and scrub off grease and carbon. Dry thoroughly.
• Inspect for damage: Check for bending or distortion. Replace any bent racks or runners.
• Lubrication: Use only high-temperature-safe lubricant if recommended by Smeg for telescopic runners. Many are designed to run dry; consult the manual.
• Reinstall correctly: Ensure runners are clipped into the correct positions and fully engaged.