"Manual mode" refers to a setting or option that allows you to control or operate something directly, without relying on automatic or pre-set functions. Full definition
The handling of this car can be fun as it also has the option to be driven in manual mode with on - steering wheel hand paddles to use for shifting. (autolist.com)
All - wheel drive does ensure you're ready for any road conditions, but so does the automatic transmission with manual mode for added control when you need it. (continentaltoyota.com)
One can also drive the car in manual mode for quicker gear shifts. (autosarena.com)