nothing much to worry about or it would have failed the mot, but best to get the car on a set off ramps and wire brush the rust, treat it with a product like hammerite k-rust, paint with some sort off top coat (i.e. normal hammerite) then paint on some under seal.
PHASE 2 LAGUNA DYNAMIQUE 1.8 INJECTION FAULTS COSTLY, YEAR 2004.
2006 2.O DCI LAGUNA DYNAMIQUE NAVIGATION SPORTS TOURER, EXTREMELY COSTLY FAULTS, GOLD SERVICE £324, ONE WEEK LATER First MOT parking brake motor faile, mot failed, £600 new motor, mot retest £18, Injection fault esp fault, will never ever buy an electronic car again
Currently in hbspc's garage: 2006 Laguna dci 2.0 Dynamique Navigation Sports Tourer