Automatic Transaxle-Transmission External Controls - Select Shift: SelectShift™
When the selector lever is moved to the M position, the driver can shift the transaxle manually using the SelectShift™ switch mounted on the selector lever knob. By pressing plus (+) on the toggle switch once will shift the transmission to next highest gear. Pressing the minus (-) on the toggle switch will shift the transmission to next lowest gear.
The SelectShift™ switch is not serviceable. If a new switch is required install a new selector lever knob.