how do you turn off outside speakers on XT245 toy hauler

[mquirk]

we cant seem to figure out how to turn off the outside speakers on our fun finder toy hauler, it is a xt245 model. Thanks for any help,

[FFX160_CT]

I don't have the same model, but inside on my stereo I have 3 speaker buttons: A, B, C. If you have the same setup, just click those on and off until you figure out which is which.

[PattyV]

My speaker switch is mounted up under the cabinet below my stereo. A, B ,C on mine too. I have an xt-245