downshift

[doun-shift]
verb (used without object)
  1. to shift an automotive transmission or vehicle into a lower gear.
  2. to become less active; slow down: The economy seems to be downshifting.
verb (used with object)
  1. to shift (an automotive transmission or vehicle) into a lower gear.
noun
  1. an act or instance of downshifting.

Origin of downshift

First recorded in 1950–55; down1 + shift
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for downshift

Contemporary Examples of downshift