How do you tighten a lap belt on middle seat in VW sharan?

To tighten the lap belt in the middle seat of a VW Sharan, first ensure the belt is properly threaded through the seatbelt guides. Pull the shoulder strap to remove any slack in the lap portion. If needed, adjust the lap belt adjuster to achieve a snug fit across your hips. Make sure the belt lies flat and is not twisted for optimal safety.