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  3. CHEVROLET IMPALA

CHEVROLET 591-06879 Communication Onstar Module 25749851

fits model: Impala. make: Saturn, Chevrolet. year: 2004–2005.

591-06879 Chevrolet Communication Onstar Module Fits 04-05 Saturn L 25749851

( Brand: Chevrolet ), ( Part Type: Module ), ( Conditions Options: Onstar ), ( Genuine Oem: Yes ), ( Ipn: 591-06879 )

Review CHEVROLET Communication Onstar Module Saturn fits IMPALA 2004–2005

The Chevrolet 591-06879 OnStar Communication Module is a crucial component for vehicles with OnStar systems produced between the years 2004 and 2005 for Saturn models. This module is responsible for facilitating communication between your vehicle and the OnStar service center, ensuring you have access to various features and services that enhance safety, convenience, and connectivity.

The OnStar module comes with an integrated Global Positioning System (GPS) receiver, enabling precise location tracking. This feature allows OnStar to provide services like Automatic Crash Response, Stolen Vehicle Assistance, and Roadside Assistance, making your driving experience safer and more secure.

Moreover, this module supports OnStar Turn-by-Turn Navigation, which delivers real-time, voice-activated directions to your vehicle. With this feature, you can easily reach your destination, even if you're not familiar with the area.

The OnStar module is also compatible with other features like Remote Door Unlock, Remote Ignition, and OnStar Vehicle Diagnostics. These features allow you to control certain aspects of your vehicle remotely using the OnStar service or a compatible mobile application.

It's important to note that the OnStar module requires a valid OnStar subscription to access its services. The subscription provides you with emergency services, as well as various convenience and connectivity features.

To install the Chevrolet 591-06879 OnStar Communication Module, you'll need to follow the instructions provided in your vehicle's owner manual or the OnStar installation guide. If you're not comfortable performing the installation yourself, consider consulting a professional mechanic or an authorized OnStar dealer to ensure the job is done correctly.

In summary, the Chevrolet 591-06879 OnStar Communication Module is a vital component for your Saturn vehicle from the 2004-2005 model years. It provides essential services like Automatic Crash Response, Stolen Vehicle Assistance, and Roadside Assistance, as well as features like Turn-by-Turn Navigation, Remote Door Unlock, Remote Ignition, and OnStar Vehicle Diagnostics. With a valid OnStar subscription, you can enjoy a safer, more connected driving experience.

Pros and Cons of buying a Chevrolet 591-06879 OnStar Module for 04-05 Saturn Vehicles

Introduction:

The Chevrolet 591-06879 OnStar module is designed to provide various safety and connectivity features for select Saturn models from the years 2004 and 2005. While this module can be an excellent investment for those seeking advanced in-car technologies, it's essential to consider both the advantages and disadvantages before making a purchase.

Pros:

1. Enhanced Safety: The OnStar system offers several safety features, such as Automatic Crash Response, Emergency Services, and Stolen Vehicle Assistance. These features can provide peace of mind and potentially save lives.

2. Remote Access: With the OnStar module, you can remotely start your vehicle, lock and unlock doors, and check vehicle diagnostics. These features can be especially convenient during extreme weather conditions or when you need to access your vehicle without a physical key.

3. Turn-by-Turn Navigation: The OnStar system includes turn-by-turn navigation, which can help you reach your destination more efficiently and reduce the need for a separate GPS device.

4. Voice-Activated Commands: The OnStar system allows you to make hands-free phone calls and send text messages using voice commands. This feature can help keep your focus on the road while driving.

5. Monthly Subscription: Although there is an initial cost for purchasing the OnStar module, you can choose to pay a monthly subscription fee for ongoing access to the services. This can be more cost-effective than purchasing an entirely new vehicle with built-in OnStar technology.

Cons:

1. Compatibility: The Chevrolet 591-06879 OnStar module is only compatible with select Saturn models from the years 2004 and 2005. It's essential to ensure that your specific vehicle is compatible before making a purchase.

2. Monthly Subscription: While the monthly subscription fee can be cost-effective compared to purchasing a new vehicle with built-in OnStar technology, it can add up over time. You should consider your budget and the long-term cost of using the OnStar services.

3. Limited Coverage: Depending on your location and the specific OnStar services you require, you may experience limited coverage or blackout areas. It's essential to research the availability and reliability of the OnStar services in your area before making a purchase.

4. Installation: Installing the OnStar module yourself may require some technical expertise. You may need to consult a professional mechanic or dealership for assistance, which could add to the overall cost of the purchase.

5. Complexity: The OnStar system can be complex, with various features and functions. Learning how to use the system effectively may take some time and effort.

Conclusion:

The Chevrolet 591-06879 OnStar module can be an excellent investment for those seeking advanced safety and connectivity features for their 2004 or 2005 Saturn vehicle. The pros, such as enhanced safety, remote access, turn-by-turn navigation, voice-activated commands, and monthly subscription options, outweigh the cons, including compatibility, monthly subscription fees, limited coverage, installation, and complexity. Ultimately, the decision to purchase the OnStar module depends on your specific needs, budget, and the compatibility of your vehicle.

Recommendation:

If you own a 2004 or 2005 Saturn vehicle and are interested in the advanced safety and connectivity features offered by the OnStar system, the Chevrolet 591-06879 OnStar module is a worthwhile consideration. Ensure that your vehicle is compatible, research the availability and reliability of the OnStar services in your area, and consider the long-term cost of the monthly subscription before making a purchase. If you're unsure about the installation process, consult a professional mechanic or dealership for assistance.

part # impala prices

  • $29.99-$56.06

specifications wiringwench:

  • for models: Impala
  • for makes: Saturn, Chevrolet
  • for years: 2004-2005
  • brand: Chevrolet
  • part type: Module
  • conditions options: Onstar
  • genuine oem: Yes
  • interchange part number: 591-06879

general wiringwench:

  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules
  • condition: Used

offer wiringwench:

  • availability: In Stock
  • sold: 0
  • started: December 10, 2025
  • quantity: 1
  • options: Ship-to-home

shipping wiringwench:

  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • transit: 2-5 Days
  • cost: $25.00
  • class: Standard

returns wiringwench:

  • policy: Returns Accepted
  • paid by: Buyer
  • time: 30 Days

seller wiringwench:

  • rating: 99.1%
  • # reviews: 9060

payments wiringwench:

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for models: impala, for makes: saturn, chevrolet, for years: 2004-2005, part type: module, conditions options: onstar, genuine oem: yes,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > ecus computer modules, sku: 10143474095150663,

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