I.up [Am əp, Brit ʌp]ADVup often appears as the second element of certain verb structures in English (back up, pick up, sit up, etc). For translations, see the relevant verb entry (back, pick, sit, etc).
These custom convertibles were the first 50 cars released to the public with a head-up display, and then subsequently recalled for reasons that remain unclear.
Some cars use a head-up display to project the speed of the car onto the windscreen in imitation of fighter aircraft, but in a far less complex display.