"It probably won't be your fault. There's a lot of monsters here."

Said with the casual assurance that SecUnit will of course be fighting more of them - though Jack's offer of repair does stick out in its brain, It might actually have to find some back-ups. Which means scavenging for itself.

With that in mind it starts to turn for the door to the cab, only pausing for another half-second, just in case Jack comes up with some last-minute addition that really does need to be made.