It shifts between 6 and 4 cylinders automatically based on load, both current and predicted. There is no way to (semi) permanently change it. The point is for it to be a 6 cylinder that can occasional be more efficient, not so choose to have a 4 cylinder where you are just dragging around 2 extra cylinders.
Just curious. Why would you want to change it (semi) permanently?
I must admit, my CT6 3.0TT runs around on 4 cyl far more than I ever thought it would and only way I can notice the transition from 6 to 4 and visa versa, is the dash icon. The transition is so smooth, it amazes me, compared to versions just a few years ago.
Plus, when on the MPG screen, the jump in MPG during the transition is pretty surprising. But I am very pleased that when I need a power boost, for what ever reason, it is there almost immediately.
I own a 2016 CT6 3.0TT Premium. I used to love the car -- but not this summer.
On July 1 it was hit in the front left corner by a (likely texting) millennial in a Mazda who ran a red light. The Mazda was totaled, the CT6 can be repaired. But 8 weeks later it is still sitting in a body shop with...
Well, it looks like the ax has fallen. Production of the CT6 will end in January, 2020. This seems to be the end of large Cadillac sedans.
I have a 2016 CT6 and with a connected iPhone running Waze, the speed displayed on the CUE screen shows roughly half my actual speed. When the iPhone is disconnected, Waze displays to correct speed.
Is there a fix for this issue?
Normally when entering the car, 2018 CT6, you read on the dash something akin to Driver 1 Yada Yada Yada or Driver 2. Has anyone encountered with the car responding Driver 0? My wife very rarely drives when I am available and she (Driver 2), can not remember seeing Driver 0 indicated when...