Storing
1. Switch on the ignition.
2. Set the desired position.
3. 
Press the button. The LED in the
button lights up.
4. Press the desired button 1 or 2. The LED
goes out.
If the M button is pressed accidentally:
Press the button again.
The LED goes out.
See also:
Only refill the diesel exhaust fluid
yourself in exceptional circumstances
To be able to reach the nearest service center
with your vehicle, you may refill the diesel exhaust
fluid yourself, making sure to heed the
warning notices specified below.
Handling diesel ex ...
Vehicle information
Owner's Manual
Computer
Vehicle
...
Programming
Programming
1. Memory buttons
2. LED
Fixed-code hand-held transmitters
1. Switch on the ignition, refer to page 61.
2. Initial setup:
Press both outer memory buttons 1 for approx.
20 seconds ...