I love my indicators so much I used to leave them on.......self cancelling can be a little sporadic if there's not a full turn of the wheel.

Now fitted a little gizmo that starts beeping after a while if I've left them on smile

1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10