GPS Receiver: The Garmin nuvi 42LM is equipped with a
high-sensitivity WAAS-enabled GPS receiver and built-in antenna which enables
the unit to acquire GPS (Global Positioning System) signals for on-the-road
Note: When indoors, you can activate the built-in GPS simulator
and practice using the unit. This turns off the GPS receiver so it's not
searching for satellites, saving battery power.
Preloaded Maps: The nuvi 42LM contains NAVTEQ's City
Navigator North America NT-Lower 49 States maps (ver.2013.30) with detailed road
maps of the lower 49 States (excluding Alaska), Puerto Rico, U.S. Virgin
Islands, Cayman Islands, Bahamas, French Guiana, Guadeloupe, Martinique, Saint
Barthelemy, and Jamaica.
Points of Interest: The built-in maps include over
Points of Interest (POIs) such as hotels, restaurants, gas stations,
attractions, and ATMs to help you find the destination you desire. In addition,
you can download additional points of interest and add them to the unit's memory
(Custom POIs). The free POI Loader software can be downloaded from the Garmin
website to assist you in creating Custom POIs.
Free Lifetime Map Updates: The nuvi 42LM offers free
lifetime map updates so you'll always have the most up-to-date maps, POIs, and
navigation information. Map updates are available for download up to 4 times a
year with no subscription or update fees and no expiration dates.
Note: Free Lifetime Map Updates entitle you to receive up
to 4 map data updates per year, when and as such updates are made available
on the Garmin website, for this specific Garmin product only until this
product's useful life expires or Garmin no longer receives map data from its
third party supplier, whichever is shorter. The updates you receive will be
updates to the same geographic map data originally included with your Garmin
product when originally purchased.
Map Screen: The Garmin nuvi 42LM displays a real-time moving
map illustrating your current position and intended route. It will show map
scale and geographic details such as lakes, rivers, highways and towns. Your
route is marked with a magenta line. A checkered flag marks your destination. As
you travel the nuvi 42LM guides to your destination with arrows on the map and
directions at the top of the screen. If you depart from the original route, the
device recalculates the route and provides new directions. During your
calculated route, your direction of travel is displayed in the lower left corner
and your current speed is shown in the lower right corner. The posted speed
limit for most major roads is displayed near the lower right corner as well. The
unit allows you to zoom, pan, and point using the touchscreen during navigation.
You can select one of three map orientation displays:
- 2D Track Up: Two-dimensional map that constantly
displays the route from bottom to top of the screen.
- 2D North Up: Two-dimensional map that constantly
displays North at the top of the screen.
- 3D Track Up: Three-dimensional map that constantly
displays the route from bottom to top of the screen.
Note: The default on-screen icon representing your vehicle is a
blue sports car. In the menu, you can select a blue 4WD pickup truck, a blue
compact car, a blue 3D arrow, a pair of boots, a large bird, or a rolling
Turn Assistant: When you are navigating a route, you can
view the next turn on the map and the distance and time left before you reach
the turn. You can also view the Turn List which displays turn-by-turn
instructions for your entire route and the distance between turns.
Lane Assist w/ Junction View: Lane assist with junction view
indicates the proper lane for a turn or exit with brightly colored arrows and
Speed Limits: As you travel along a major road, the speed
limit is displayed on the screen alongside of the vehicle's speed display. If
you are exceeding the speed limit, the color of the vehicle speed indication
changes to red. If the highway's posted speed limit has changed since the last
map update, you can change the speed limit display on the unit.
Text-to-Speech Audible Directions: In addition to the visual
map, you get voice-prompted, turn-by-turn directions that speak street names to
your destination; allowing you to keep your eyes more comfortably on the road.
The nuvi 42LM offers voices of various languages.
Where Am I?: The "Where Am I?" feature gives you instant
access to important information in case of an emergency. When you select "Where
Am I?" from the menu, you get the coordinates (including elevation) of your
current position, plus the nearest address and intersections. There are also
buttons to help you locate the nearest hospitals, police stations, gas stations,
and roadside assistance. You can also save the location for future reference.
Destination Search: When the Where To? button is pressed,
you can use the search tools to find your destination and plan your route. The
search tools allow you to search for cities, addresses, intersections, or
coordinates. You can also search the device's POIs (points-of-interest). The unit's memory stores the last 50 locations you have found so
you can quickly find a previous destination. You can even store your favorite
destinations, so you can retrieve them faster. In addition, you can simply
browse the map and select a destination by tapping the screen.
Route Preferences/Avoidances: When calculating a route, you
can select the following preferences; faster time, shorter distance, or off
road. You can also program the unit to avoid certain things that may be
undesirable on your route; such as U-Turns, Highways, Toll Roads, Carpool Lanes,
Unpaved Roads, and Ferries.
Waypoints: You can manually mark and name any map position
as a waypoint for later recall. Up to 1000 waypoints can be saved into memory.
Trip Computer: The trip information page displays your
current speed and direction, and provides helpful statistics about your trip. A
trip odometer keeps up with your total mileage. The page also indicates the
distance and driving time to your next maneuver, as well as the distance and
driving time to your destination. Your maximum speed and moving average speed
are also displayed. The information can be reset in advance of your next trip.
Auto Reroute: If you deviate from the original route, the
nuvi 42LM recalculates the route and provides new directions.
Detours: While navigating a
route, you can use detours to avoid obstacles ahead of you, such as construction
Safe Mode: With the Safe Mode turned on, functions that
require significant operator attention are disabled so they don't become a
distraction while driving.
4.3" Touchscreen LCD: The nuvi 42LM features a 4.3" color
TFT touchscreen LCD with a resolution of 480 x 272 pixels (16:9 aspect ratio).
The screen has a manual brightness adjustment. You can select one of three color
modes for the display screen:
- Daytime: Has a lighter, brighter background.
- Nighttime: Has a black background, easier to see at
- Auto: Display automatically switches between daytime
and nighttime at sunrise and sunset.
Keyboard Options: The Garmin nuvi 42LM gives you two options
for keyboard layouts. When you are entering an address or other data, you can
choose between a standard QWERTY keyboard layout or an ABCDE alphabetical
microSD Card Slot: The nuvi 42LM has a microSD card slot so
you can download and store additional mapping information from Garmin.
USB Port: The nuvi 42LM is fitted with a mini-USB (type-B) port and
comes with a mini-USB to USB cable to connect to your computer. The nuvi 42LM is
compatible with Windows XP or newer and Mac OS X 10.4 or later.
Note: The nuvi 42LM is not compatible with Windows 95,
Windows 98, Windows Me, or Windows NT. It is also not compatible with Mac OS
10.3 and earlier. This is a common limitation of most USB mass storage
Garmin Express: Use
Garmin Express to keep the nuvi 42LM up-to-date. Garmin Express makes it
easy to update maps and software, transfer favorites to and from devices, and
install free custom vehicles and voices.
Mounting: The Garmin Nuvi 42LM comes with a suction cup
mounting bracket to install the device in your vehicle. The suction cup can be
used to mount the unit to your vehicle's windshield or dash. Once the nuvi 42LM
is mounted, it can be adjusted on the ball-and-socket bracket for best
visibility. The unit must be installed where it has a relatively unobstructed
view of the sky.
Note: Please check the applicable regulations in your state
regarding windshield mounting. Certain states prohibit the mounting of any
items on your windshield.
Power Requirements: The Garmin nuvi 42LM is powered and
charged by your vehicle's battery using the included 12-volt cigarette
lighter/power adapter. The built-in Lithium-Ion battery will provide up to 2
hours of use after a 4 hour charge. The unit can also be charged and powered by
your computer when it is connected via the included USB cable. An optional AC
sold separately) allows you to operate and charge the unit on ordinary household