Head Up Display Component

Write-only interface
Actually controlled both the Head Up and Head Down displays (HUD and HDD)
Provided interface to all display updates on the Head Up and Head Down displays
- road speed
- engine speed
- engine status
- door lock/ajar
- functions for the steering wheel buttons
- indication of waiting e-mail
- navigation information
- microphone on/off
- text message area for giving feedback to the driver
Used Application Variable patterns for single access point to the HUD
Used Actor pattern to asynchronously send commands