Ford has this one in the bag with the keyless entry. I keep a spare set for the camper in the truck at all times. Even if the truck keys are locked in the camper, the keyless entry will get me in the truck. I have rekeyed all the outside compartments to be the same as the door key, so I don't need to worry about those. The sewer hose holder and rear door have keyed alike padlocks also. I also have a set of keys for the camper on my truck keyring. Out hiking or anything, I never carry my truck keys, just lock them in the truck where they are safe.
2013 F350 dually
2015 Palomino Puma 351THSS Premier Edition
2015 Nights camped 15
2016 Nights camped 5