It may be ill-advised to use it late at night, as having little to do behind the wheel when you’re low on energy could lead to concentration losses or worse.
A simple cruise system is best on short, empty highways, such as motorways or A-roads, where you can keep driving at the same speed for miles at a time.
For winding highways, where you have to slow down for corners or variable speed traffic, it is not well suited. You can find it easier to control your own speed or to use a speed limiter, which is often mounted in cruise-controlled cars if you have adaptive cruise control.
It may be ill-advised to use it late at night, as having little to do behind the wheel when you’re low on energy could lead to concentration losses or worse.