You always gotta have a contingency plan in case your main plan backfires! That's why I've built in some anti-intelligence systems into the construct.
Your shiny new ride might rouse some suspicion while you're at Baelgun's excavation site. That's what your bluff ability is for! Just use that any time you're confronted and you'll be safe from harm.
Test it out on Lebronski by walking on his rug. Once he starts huffin' and puffin', use the bluff!
This time #1 is bluff. While in the suit, go walk on the rug.
Lebronski says: What do you think you're doing, man? Lebronski does NOT appreciate you dragging your loose metal parts all over his rug.
Iron Rune Construct says: Model U-9207 Iron Rune Construct does not appreciate your tone of voice. Commencing total annihilation of your rug, Lebronski.
Lebronski says: Far out, man. This bucket of bolts might make it after all...