Offer custom fields, shortcuts and font choices.
For example, display the full date and time; Saturday, April 7, 2018, 8:00 pm.
Provide shortcuts to open and close the trunk, turn on the heated steering wheel, etc. without the need to dig into the control menus.
Provide choice of display fonts and sizes.
Bonus would be scripts to combine operations. For example, combine heat seat and steering wheel on/off.