Activation/deactivation

Press the button.
See also:
Shifting
Shifting into 5th or 6th gear
When shifting into 5th or 6th gear, push
the gearshift lever to the right; otherwise inadvertent
shifting into the 3rd or 4th gear could
lead to engine damage ...
Trip computer
There are two types of computer.
"Onboard info": the values can be reset as
often as necessary.
"Trip computer": the values provide an overview
of the current trip.
...
2012 BMW 535 Review by Joe Wiesenfelder
I don't walk away from every new model with a single overriding impression,
but sometimes a car grabs me by the collar and shakes me. While that wasn't
exactly the case with the redesigned 2011 BM ...
