Touchy brakes in 2015 Lexus GS 350

Brakes are really touchy…must use very light foot when braking…
Can the brakes be adjusted(backed off)?

No. there is no adjustment.

is this vehicle new to you.

Yosemite

This performance car is made to stop on a dime.You will get use to it.

Do the rotor surfaces look smooth and shiny?