Term of the Moment
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Definition: in-dash navigation
A GPS navigation unit that is built into the dashboard of a vehicle. Aftermarket units that replace the factory head unit may include AM/FM/HD and satellite radio as well as hands-free cellular. Earlier units included a CD player.
Where To?
Not only can the system direct drivers to a specific street address, but it can guide them to the nearest gas station, hotel, restaurant or other point of interest (POI). Similar to the Waze mobile app, in-dash navigation systems may receive real-time traffic reports.
Voice In and Out
Modern navigation units support voice recognition for setting the route and controlling the unit, allowing drivers to concentrate on the road. Navigation systems also offer voice output for turn-by-turn directions. While older units verbalized only the distance to the next turn, newer units pronounce street names and exit numbers.
The In-Dash Advantage
In-dash navigation systems are generally wired to the automobile's internal speed signal. Combined with a gyroscope, the unit can track the vehicle in a tunnel, on the lower level of a bridge or in a big city where line of sight to three satellites is not always possible. See Android Auto, CarPlay, portable GPS, GPS and WAAS.
Turn-By-Turn Directions
In-Dash Units Include A/V
A Decade Makes a Difference
Where To?
Not only can the system direct drivers to a specific street address, but it can guide them to the nearest gas station, hotel, restaurant or other point of interest (POI). Similar to the Waze mobile app, in-dash navigation systems may receive real-time traffic reports.
Voice In and Out
Modern navigation units support voice recognition for setting the route and controlling the unit, allowing drivers to concentrate on the road. Navigation systems also offer voice output for turn-by-turn directions. While older units verbalized only the distance to the next turn, newer units pronounce street names and exit numbers.
The In-Dash Advantage
In-dash navigation systems are generally wired to the automobile's internal speed signal. Combined with a gyroscope, the unit can track the vehicle in a tunnel, on the lower level of a bridge or in a big city where line of sight to three satellites is not always possible. See Android Auto, CarPlay, portable GPS, GPS and WAAS.
All navs, in-dash and portable, provide turn-by-turn directions both verbally and visually. This Eclipse aftermarket unit switches to close-up view within a quarter mile of a turn and then counts down in feet. See reality view.
In-dash navigation systems are combined with head units that include AM, FM, satellite radio, inputs for external players and hands-free telephone via Bluetooth. Earlier units included CD/DVD players. In-dash controls may be integrated into the car's steering wheel.
Compare the Eclipse nav (top) circa 2006 with the Garmin unit (below) a decade later. The Garmin's large text makes it much easier to read and also provides more information.