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2007-2009 Saturn Sky

How to upgrade the stereo system in your Sky

2007-2009 Saturn Sky

In brief: This Crutchfield Research Garage article gives you an overview of your Sky's stock stereo system and your aftermarket upgrade options. We'll tell you all about:

Then, use our vehicle selector to find the gear that will fit your vehicle.

Overview of the Saturn Sky

By the time the Saturn Sky made its debut in 2007, Saturn was no longer a "different kind of company" making a "different kind of car." The once-unique brand had morphed into a full-fledged member of the GM family, sharing platforms and parts with other members of the General's global group of nameplates. The Sky, in fact, shares its GM Kappa platform and much, much more with the Pontiac Solstice.

Despite the fact that both brands eventually disappeared into the ether, this is not necessarily a bad thing. The Solstice, which went from car show superstar to production vehicle in near-record (especially for GM) time, was a very cool little machine. The Sky is pretty nifty in its own right, with sleek, subtle styling that's quite different from its more aggressive-looking sibling. Whether you're into blasting along mountain roads or cruising down beachfront highways, the Sky is a fun, willing sports car that's up for any adventure. A new stereo will only add to the fun.

Detailed stereo and speaker removal instructions

MasterSheet image
With step-by-step disassembly instructions and plenty of up-close, detailed photos, our exclusive Crutchfield MasterSheet™ takes the guesswork out of removing the factory stereo and speakers. It's free with your Crutchfield order, or you can purchase one separately for just $9.99.

The factory stereo system

The Sky's base stereo was an in-dash AM/FM/CD player with an aux input and six speakers. The optional Monsoon system featured a 6-disc AM/FM/CD/MP3 system and 7 speakers. Other available features included OnStar, XM satellite radio, a trip computer, and, for 2009, Bluetooth® connectivity.

Single-DIN (2" tall) or double-DIN (4"tall) aftermarket receivers will fit in the dash opening. If you replace the factory radio, you'll lose the factory XM satellite radio capability and some other features, but you can easily regain what you're losing with the right aftermarket receiver.

2007-09 Saturn Sky radio

Removing the factory radio isn't exactly easy (Crutchfield Research Photo)

Your Sky's warning chime is built into the factory radio, so you'll need a wiring harness adapter that retains that audible safety warning and also provides a switched 12-volt power source for your new radio.

Crutchfield strongly recommends that you use the recommended adapter when your replace the factory receiver. So much so, in fact, that we'll give you a very nice discount on the purchase price with most receiver purchases.

Removing the factory radio

Whether your Sky is equipped with the base stereo or the Monsoon system, removing the factory gear involves the same basic tasks. In the case of the factory receiver, however, there are an awful lot of them.

Just getting to the receiver requires a remarkable amount of dashboard disassembly. Once you've removed the old one, installing the new receiver requires a mounting kit, which needs to be modified before you can use it.

If you're an experienced hand with car audio installations, you can probably do the job yourself, but it is a cut or three above the standard degree of difficulty for this sort of thing. Instructions are provided, so you can study before you start. If you have any questions, cal our Tech Support team. Then again, you also might want to simply trust the work to a car audio professional.

Tools needed: Panel tool, small flat blade screwdriver, right-angle 7mm driver

Read our Car Stereo Buying Guide for shopping tips and advice.

Shop for car stereos that fit your Saturn Sky

Steering wheel audio controls

In most cases, it's reasonably easy to retain your Sky's steering wheel audio controls when you install a new stereo. When you enter your vehicle information, our database will choose the adapter you need to make your factory steering wheel controls work with a compatible aftermarket receiver.

Removing the factory speakers

The stock speakers aren't awful, but aftermarket audio gear will really transform the sound in your Sky.

saturn sky stock tweeters

The stock tweeters are easy to reach and replace (Crutchfield Research Photo)

Front pillar tweeters

You'll find a set of roughly 1.5" tweeters located in the front pillars. They're quite easy to get to and reasonably easy to replace, so if you're thinking about installing a set of component speakers, you're in luck.

You'll need an adapter to hold the new tweeter in place, and our universal backstrap can be bent and shaped into an easy, efficient solution.

Tools needed: Panel tool, Torx T30, small flat blade screwdriver

Saturn Sky front door

Replacing the door woofers isn't all that complicated, either. (Crutchfield Research Photo)

Door woofers

The stock speakers are 6-3/4", 2-ohm models that can be replaced by a variety of 6-1/2" or 5-1/4" or 6-3/4" aftermarket speakers. You'll need brackets for the smaller sizes, and they're included free with your Crutchfield speaker purchase.

Replacing the woofers is pretty straightforward. You'll need to remove the door panel, of course, but that's not terribly difficult. The key here is to take your time and be careful with prying away the trim pieces. You'll also be removing a fair number of screws, so have a container handy to keep them from "disappearing" before you need them again.

Be aware that if you replace the 2-ohm factory speakers with standard 4-ohm aftermarket speakers, you'll hear a noticeable drop in volume. Instead, make sure your new speakers also have a low impendance rating of either 2 or 3 ohms.

Tools needed: Panel tool, small flat blade screwdriver, needle-nose pliers, 7mm driver, Phillips screwdriver

saturn sky rear door speakers

Even the side panel speakers are easy to access and replace (Crutchfield Research Photo)

Rear side panel speakers

The Sky's rear side panels house 3-1/2", 4-ohm speakers that are reasonably easy to get to and easy to replace with same-size aftermarket speakers.

The panel will need to come off, of course, but that's no big deal. Just remember to work carefully and wrap your panel tool in a clean cloth to prevent scratches.

You'll need a pair of pliers to remove the four self-threading nuts that hold the speaker in place. These could be quite snug, so be patient here as well. You'll need these nuts to attach the new speakers, and you don't want to strip them during the removal process.

Tools needed: Panel tool, pliers

Read our Car Speakers Buying Guide for more information.

Shop for speakers that fit your Saturn Sky

saturn sky subwoofer

Getting to the sub, on the other hand, involves some work (Crutchfield Research Photo)

Bass in your Saturn Sky

The Sky's rear subwoofer, an 8" model mounted behind the passenger seat on the rear "wall" of the interior, is an interesting case.

Removing the sub involves a lot of small steps, and it looks kind of daunting when viewed in list form on the Crutchfield MasterSheet. It really isn't as bad as it looks, though, since you're basically prying out trim panels and retaining clips.

Even so, it still might not be worth the time and effort involved. Due to mounting depth issues, only a few aftermarket subs fit in this opening, so your options are limited.

A wiring harness is not available, so you'll either need to splice the wires or make connections using PosiProducts connectors. You new sub will most likely need more power than the OEM sub, so you'll want to add a new amplifier. Helpfully, the factory amp is also located on the Sky's rear interior wall.

Like most two-seat sports cars, the Sky offers little in the way of free space. With a mere 20" W x 9" H x 12"/4" D to work with — and that's with the top UP — your best bet for even bigger bass is a compact powered subwoofer. A very small sub will produce thump and should fit neatly into the trunk. Just remember that with the top up, you have very little trunk space in this car. When it's down, you have almost none.

Tools needed: Panel tool, Phillips screwdriver, socket wrench, 10mm deep socket, 8mm socket, Phillips screwdriver

Learn more about building a bass system in our Car Subwoofer Buying Guide.

Other options for your Sky

There are lots of things you can do to make your Sky into an even more enjoyable ride. Here are few ideas:

foam baffles

Foam speaker baffles

Speaker baffles

A set of inexpensive foam baffles can help you get the most out of your new set of speakers. These soft, water-resistant baffles compress easily within the doors, forming a seal that reduces panel vibration and improves sound. If you cut a hole in the bottom of the baffle, or remove the entire bottom, you'll maintain good bass response while still protecting your speaker.


Like most drop-tops, the Sky lets in a good bit of road noise. If you're serious about sound, installing Dynamat in your doors will help keep noise and rattles to a minimum and allow you to enjoy your new stereo to the fullest. If you add a sub, you'll also want to line the top of the trunk.


Though we're definitely not collector car experts, our gut tells us that the Sky just might have some long-range investment potential. It's difficult to gauge the future availability of spare parts, but "new old stock" radios could be hard to find, especially for an "orphan brand" like Saturn. So, if you replace your Sky's factory radio and/or speakers, hang onto them. You can always put them back when it's time to sell the car.

If you don't want to replace the factory equipment at all, but still want to enjoy great sound while you're enjoying your car, we offer a wide variety of adapters that will allow you to use an iPod, MP3 player, or satellite radio with the Sky's factory audio system.

Remote start and security systems

Adding remote start capability to your vehicle lets you warm it up in the winter or cool it down in the summer. The iDatastart system is incredibly convenient and makes it easier than ever to install a remote start system, so we highly recommend it. The module requires a vehicle-specific T-harness (sold separately) to connect with your vehicle's computer, security, and ignition systems, so we ask that you call to order so that we can make sure you get the right harness for your ride.

You can also talk to your Crutchfield Advisor about a security system. They’re not as easy to install (we usually suggest letting a professional do the job), but we can help you choose a system that’ll work in your vehicle.

Let's get started!

Ready to shop? Use our vehicle selector to find the gear that will fit your car or truck. If you have questions of your own, give us a shout via phone, chat, or email

  • C. Meadows

    Posted on 7/31/2023

    I would like to replace the audio system in my 2007 Saturn Sky with a new receiver and speakers. I live in Virginia, and would like to bring my vehicle to C'ville to have Crutchfield perform the installation - how would I go about arranging that?

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    Dominic DeVito from Crutchfield

    on 8/1/2023

    Hello C. - Please call (434) 817-1100 to set up an appointment at our Charlottesville retail location at 825 Gardens Boulevard. Our Advisors at that store can help you choose the gear for your Sky over the phone ahead of your installation, or you can visit the store to check out some demos and talk to someone in person. The store is open 10-7 Monday through Saturday and Noon-5 on Sunday.
  • Joe Eissner from Oostburg

    Posted on 10/25/2022

    I own a 2007 Saturn sky, I'm looking into replacing the Head Unit with the latest Android Features. I am however concerned about keeping the steering wheel functioning. I see on line some units have 2 key+ wires. Is it that simple? Or will I need an extra axess unit? If 2 wire? What wires on original manufacture harness are used? Thank you in advance.

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    Jon Paul from Crutchfield

    on 10/26/2022

    Joe, Yes, adapters are available. When you enter your vehicle's info into our Outfit My Car tool, you'll see which stereos fit your car, plus the correct harness and SWC. If you have any questions, our advisors are available via phone or chat.
  • Kevin Carlson from Davenport

    Posted on 7/20/2022

    Are there wiring harnesses for speakers in the Sky rather than having to cut wires and splice them in?

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    Jon Paul from Crutchfield

    on 7/20/2022

    Kevin, Yes, there are harnesses for the Sky. When you enter your vehicle's info into our Outfit My Car tool, you'll see which stereos fit your car, plus the correct harness. If you have any questions, our advisors are available via phone or chat.
  • Adam from Disney World

    Posted on 3/15/2022

    Recently bought the Pioneer DMH-WC6600nex for my Saturn Sky and bought all the accouterments with it from your website. It didn't include Maestro R or RR2. What kind of capabilities will I see with the Maestros iDatalink with my car? Is it even worth it? Some cars get a lot of data, but I am not sure what I will get with mine.

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    Jon Paul from Crutchfield

    on 3/16/2022

    Adam, I've sent your question to our sales team, and they'll be contacting you via email soon. For immediate help, you can contact them via phone or chat.
  • Jim from Shelby Township

    Posted on 10/26/2021

    Hello! I installed the Alpine ILX-W650 in my Saturn Sky (with Monsoon) this summer. I enjoy the new sound and the new functions but I have three questions I think involve the factory amp. 1. I have a very subtle hiss when the unit is on at any volume. It sounds like I just need to turn the gain down on the amp but the factory amp doesn't have adjustments. 2. It seems in order to "wake up" the factory subwoofer I need to really push the volume. I would like a fuller sound but not having the music be so loud. 3. Would replacing the amp solve my issues and if so what should I look for and what models do you recommend? Thanks! Jim

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    Jon Paul from Crutchfield

    on 10/27/2021

    Jim, With questions like that, it's always better to have a conversation with a real live human. Give us a call and talk to one of our advisors. We can help you choose the right gear and give you the right advice on how to install it.
  • Nathan Clement from Searcy

    Posted on 7/14/2020

    What size and amps should after market rear passenger sub be? You said 8in but gave no watts or any specs of stock sub.

    Commenter image

    Jon Paul from Crutchfield

    on 7/15/2020

    Nathan, We didn't get too deep in the weeds about the stock sub because there just aren't many aftermarket subs that will fit in the location. But if you're serious about making something work, give us a call and talk to one of our advisors. We can help you choose the right gear and give you the right advice on how to install it.
  • Kacey from Scandia

    Posted on 6/7/2020

    How can you easily identify a sky with the monsoon stereo system?

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    Jon Paul from Crutchfield

    on 6/8/2020

    Kacey, The easiest thing is do is check for a subwoofer behind the passenger's seat. If it's there, you have a Monsoon system.
  • Jeffery Leonard from New Braunfels

    Posted on 6/9/2019

    My Saturn Sky has factory Sirius XM installed and I am replacing the head unit (installing a Kenwood DNX996XR), do I have to buy a new Sirius xm receiver? The article indicates this is the case but it seems odd. Is the factory Sirius actually built into the factory radio or is it a separate module? Thank you.

    Commenter image

    Jon Paul from Crutchfield

    on 6/10/2019

    Jeffrey, As the old receiver goes, so goes the old XM connection, so you will need a tuner with that (very nifty) Kenwood receiver. If you have more questions and want to have a conversation with a real live human, give us a call and talk to one of our advisors.
  • Brandon from Phoenix

    Posted on 5/21/2019

    I noticed some reference to differences between base and monsoon systems but not when referencing the sub/amp. Does the base stereo setup have an amp behind the driver and does the MasterSheet thoroughly detail the systems separately? I have the base stereo and only ever seen Monsoon info online.

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    Jon Paul from Crutchfield

    on 5/22/2019

    Brandon, The amp is a Monsoon-only feature, and the MasterSheet does show you how to remove the factory piece. If you buy your new gear from Crutchfield and you have questions about the removal/replacement process, you can call Tech Support for free help. And if you purchase your equipment elsewhere, you can still get expert Crutchfield Tech Support - 90 days-worth for only $30. Check out our tech support page for details.
  • Maryann Maccini from Charlestown

    Posted on 3/17/2019

    You mean I have 6?speakers? I only see 2. Just bought the sky 09 and have no owners manual

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    Jon Paul from Crutchfield

    on 3/18/2019

    You should, anyway. They're hidden behind the panels, of course, but they should be there. Give us a call and talk to one of our advisors. We can help you select new speakers and give you the right advice on how to install them.
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