Mazda BT-50 2017 Owner's Manual page 42

Keys and Remote Controls
5. Switch the ignition back on (position
II) or wait for ten seconds without
programming another remote control to
end the key programming. Only the
remote controls which you have just
programmed are now able to lock and
unlock the vehicle.
qReprogramming the unlocking
function
NOTE
When you press the unlock button
either all the doors are unlocked or only
the driver's door is unlocked. Pressing
the unlock button again unlocks all the
doors.
Press and hold the unlock and lock
buttons on the transmitter simultaneously
for at least four seconds with the ignition
off. The direction indicators will flash
twice to confirm the change.
To return to the original unlocking
function, repeat the process.
qProgramming the additional key
NOTE
The additional keys can be programmed
only if you already have two
programmed keys.
1. Insert the first key and switch on the
ignition.
2. Remove the key within 10 seconds.
3. Insert the second key within 10
seconds and switch on the ignition.
4. Remove the key within 10 seconds.
36
5. Insert the additional key within 10
seconds which need to be programmed.