in-car 
adjective [attributive]
Occurring, situated, or carried in a car: an in-car navigation system...
- Wolfson also sells chips to TomTom, the Dutch-owned maker of in-car navigation systems.
- Cup holders were neatly situated for in-car picnics.
- Other likely initial targets include in-car navigation systems and PDAs.
- Haute-Normandie
- hauteur
- haute école
- haut monde
- haut-relief
- hav
- havable
- havage
- havala
- havan
- Havana
- Havant
- Havarti
- Havasu, Lake
- Havdalah
- have
- have a ball
- have a bee in one's bonnet
- have a bird
- haveable
- have a bone to pick with someone
- have a bun in the oven
- have a cadenza
- have a care
- have a care (or an eye etc.)