Odd cummins Question

[NW-ZJ-SCOTT]

03 Commonrail Cummins auto.

The truck is about to sit in a parking garage for 6 weeks..

Not that big of a deal? what about if it sits for 9 months?

 

[eflores]

Fuel treatment!!!!

 

[A7XJ]

Fuel treatment!!!!

X2. Remove or disconnect batteries.