UConnect Access 8.4A RA3 vs 8.4AN RA4

The RA4 8.4AN sets itself apart by offering these unique features:

  • HD Radio
  • Navigation Standard (RA3 does not come standard with navigation)
  • One-shot destination entry
  • 3D content (Select this option and zoom to an appropriate level. Not all “tall” buildings are in 3D)
  • Enhanced Digital Terrain Model (DTM)
  • SiriusXM Traffic
  • SiriusXM Travel Link

3D Landmarks are visible at 250ft and below, 3D City Models are visible at 50ft and below, and Digital Terrain is visible at 100mi and below.

More RA4 8.4AN useful information:

Navigation Components:

The RA4 navigation module acquires GPS position data through a roof-mounted combination antenna that also receives satellite audio and cellular signals. The radio head unit contains the central components of the navigation system. In addition to a 213 mm (8.4 inch) color electronic touchscreen display, a navigation module is internal and integral to each radio that is equipped with navigation capability. The navigation module contains all of the navigation system hardware and software. Hardware includes the GPS receiver, an electronic gyroscope, a microcontroller and flash memory for system software and map data storage. The navigation system software as well as the map data is flash programmable through the Universal Serial Bus (USB) port.

The Global Positioning System (GPS) receiver of the navigation module is capable of acquiring and tracking GPS signal inputs through the roof-mounted combination antenna from numerous satellites simultaneously to calculate and display the position and direction of the vehicle. However, when access to satellite signals is blocked by bridges, tunnels or other obstacles, the navigation module relies upon Dead Reckoning (DR) to aid in calculating vehicle position and direction. The navigation module uses pulse signals from the wheel speed sensors, a Reverse gear indicator input and an internal electronic gyroscope sensor to provide DR vehicle position and direction calculations to supplement GPS satellite signals.

For safety reasons some input, editing and setting features of the navigation system are restricted when the vehicle is in motion or when a hands-free phone call is active. This includes many features that require touchscreen inputs. However, many of those same features disabled for touchscreen inputs remain enabled for UconnectT Hands-Free VR inputs.

Navigation Updates:

All vehicles have their original map and Points-Of-Interest (POI) data stored in nonvolatile flash memory integral to the navigation module and internal to the radio. The originally installed data is based upon the market for which the vehicle was manufactured. Navigation System map and Point-Of-Interest (POI) data updates may become available occasionally through the Navteq Maps web site ( The updated information as well as some additional feature applications can be downloaded and copied to Universal Serial Bus (USB) media for transfer and installation to the navigation module within the Radio Receiver Module (RRM) (also known as the radio or the head unit) in the vehicle. These are fee-based applications and updates, which are made at the option and expense of the customer.

SiriusXM Satellite Radio:

In regards to SiriusXm channels, there are some slight variances when compared to the SiriusXM channels available on other types of radios. Both have similar music and news channels, the differences are related to a small number of specific sports and talks shows. For example, Howard Stern's talk show is not available while Oprah Radio, Opie & Anthony Show, NHL, and MLB channels are only available on these new radios.

UConnect Access: (available on RA3 and RA4 radios only)

NOTE for CANADA: Uconnect Access is not available in Canada nor can it be added at a future point in time. There is no definitive date when Uconnect Access services will be available in Canada. Numerous obstacles currently prevent the Canadian launch of Uconnect Access including availability of the underlying cellular technology in Canada.

With Uconnect Access, owners now have emergency and remote vehicle features and apps available. In-vehicle features include, 9-1-1 Call, and Roadside Assistance Call. Your vehicle is also capable of remote vehicle features such as Remote Start, Remote Door Lock/Unlock, and Remote Horn and Lights , by being registered and using a compatible smartphone.

Your vehicle may come with a complimentary trial period for use of the Uconnect Access features. To activate the trial, you must first register with Uconnect. See the simple registration steps below. Once registered, Uconnect Access customers can purchase additional features and Apps as they become available. After the trial period, you can subscribe for continued service. For additional information, contact Uconnect Customer Care at 855-792-4241.

Uconnect Access Remote Vehicle Features
Uconnect Access also has a number of remote vehicle features that are operated using a compatible smartphone. To use these features, start by downloading the Uconnect Mobile App. You must first have registered for Uconnect Access.

Commands that go the distance
Start your engine, unlock your door or flash your headlights - from almost anywhere. Just send a remote command from your computer or smartphone.

Remote Door Lock/Unlock
The Remote Door Lock/Unlock feature provides customers the ability to lock or unlock their vehicle driver door by the Mopar Owner Center, Uconnect™ Access App, or Uconnect™ Call Center.

Remote Horn and Lights
The Remote Horn and Lights feature makes it easy to locate a vehicle even in a dark, crowded or noisy parking area by activating the horn and lights.

Remote Start
The Remote Vehicle Start feature provides a convenient way to start a vehicle remotely using the Mopar Owner Center or Uconnect™ Access App.

Theft Alarm Notification
You can choose to receive a text or email alert anytime your vehicle's factory theft alarm is activated.

Stolen Vehicle Assistance
If your vehicle is ever stolen, Uconnect® can provide your vehicle location to police to help them track it down.

Roadside Assistance Call
If you get a flat tire, or need a tow, just press the Assist button on your rearview mirror and you'll be connected to someone who can help. Roadside Assistance will know what vehicle you're driving and its location. Additional fees may apply for Roadside Assistance.

Connected Performance (SRT only)
With SRT® Performance Pages Plus, you don't need an SD card or a USB to save your best times. Just press a button to send your results to the Web, where you can track and share your personal bests.

BING™. And you're on your way
Search for local points of interest, then press a button to call your destination or send its location to your dealer-installed navigation system. Bing™ is voice-activated to help you stay focused on driving, and includes star ratings to help you find the top-rated restaurants, shops, gas stations and more.

WiFi Hotspot
Vehicles equipped with the Uconnect Access system can become a Wi-Fi hot spot with payment of a daily, weekly or monthly subscription option. This system allows the use of the vehicle as a Wi-Fi hot spot for connecting consumer Wi-Fi devices to the internet through a Wi-Fi antenna and an embedded cellular connection that are internal and integral to the Radio Receiver Module (RRM) (also known as the radio or the head unit), and the external cellular combination antenna.

Voice your selections
Access your favorite playlist on your MP3 player or USB drive with simple voice commands. Switch between music sources. Ask for directions to a certain address. Change the cabin temperature. Or make a call. Uconnect Voice Commands allow you to keep your eyes on the road and keep moving.

Voice Texting
Powerful, cloud-based voice recognition allows you to dictate free form text messages, and send them from your Bluetooth-enabled Android or Blackberry phone without taking your hands off the wheel of focus from the road.

Emergency 9-1-1 Call:

If a connection between the vehicle and a 9-1-1 operator is made, the 9-1-1 Call system may transmit certain vehicle information to a 9-1-1 operator, including the last known GPS coordinates of your vehicle. If a connection is made between a 9-1-1 operator and your vehicle, you understand and agree that 9-1-1 operators may record conversations and sounds in your car upon connection and consent to such recordings. Your vehicle MUST have a working electrical system for the 9-1-1 Call system, among others, to operate. IF YOUR VEHICLE LOSES BATTERY POWER FOR ANY REASON (INCLUDING DURING OR AFTER AN ACCIDENT) THE 9-1-1 CALL SYSTEM, AMONG OTHER VEHICLES SYSTEMS, WILL NOT OPERATE.

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