Find another dealer. Where are you located? A F150 fits on a standard lift and you dont even need to lift it to do this recall, infact lifting it would make it harder!
Again, Find another dealer. You do not want someone like that working on it.
2018 Ford F-150 King Ranch 3.0L Power Stroke 4x4 | Icon 2.5 Front & 2.0 Rear, Toyo AT II 295/60R20, 3" ProComp Rear Block, S&B Dry CAI, LineX & BakFlip MX4, BuiltRight Seat Release | ForScan Mods: Disable Double Honk, 2x Panic, DPF Full %, Digital Temps Above Gauges, A.S.S Disabled