low gear

noun3

1. •
   The lowest gear available from a transmission or other gearbox, typically in a motor vehicle or cycle.

   • Start out in low gear when climbing a steep hill.
2. •
   One of the lower gears available from a gearbox, typically in a motor vehicle or cycle.

   • A low gear is appropriate when climbing a steep hill.
3. •
   (figurative) A state of sluggish or minimal activity.

   • The campaign remained in low gear until sufficient funding was finally received.