Abandoned History: Oldsmobile's Guidestar Navigation System and Other Cartography (Part VI)

Corey Lewis
by Corey Lewis

Sacrificing much, GM spent billions and billions of 1980s dollars on technology and engineering entities at the behest of CEO Roger Smith, who wanted to transform The General into a company more resembling a conglomerate like GE. Half a decade later Smith was gone, and the remaining brass began to unwind the costly EDS and Hughes deals and return GM to its standard operating procedure. But behind the layers of finance and paperwork, Guidestar GPS was developed. And the first time the public got to see it was in 1994 in a very exciting debut.


A daring aerodynamic shape, frameless windows, grandiose full-width heckblende, and in-dash Guidestar navigation were all present on the 1994 Oldsmobile Aurora show car. The show car was production ready, save for the Guidestar. The all-new navigation system entered testing in late 1994 and was put into production Oldsmobiles for the 1995 model year.


Guidestar was developed in conjunction with Oldsmobile engineers, the newly formed Delco Electronics (Hughes), and component supplier Zexel USA. The high-tech navigation relied on multiple hard disk cartridges rather than multiple map CDs. The system’s computer was located in the trunk of each vehicle, and received satellite information via a small antenna (unlike on the TravTek Toronados). 

Location information was more accurate than a few years prior, given increasing civilian and corporate access to military-grade GPS information. Information was presented to the driver via a four-inch color LCD screen, with seven different LCD keys used for inputs. No touch screen troubles here! 


The first Guidestar test models in late 1994 were implemented in the San Jose, California area, distributed once again through Avis rental outlets. Notably, the Avis partnership was not directly with GM this time but negotiated through Zexel. Guidestar was only implemented on the Eighty Eight sedan for preliminary testing. Though it was not the company’s flagship (that’d be the Ninety Eight), Eighty Eight was more popular than the stodgy Ninety Eight. Ninety Eight was also due to be phased out in favor of the upcoming flagship Aurora, a most needed product change. 


Guidestar testing ramped up in a second location, Florida, after San Jose testing received positive reviews. As a result, Oldsmobile declared it would offer Guidestar as an option on 1995 Eighty Eight sedans. At the time the system cost $2,000 ($4,085 adj.). It could technically be implemented into any Eighty Eight, because it was not in-dash.

Rather the Guidestar that entered production resided on a stalk mounted to the floor under the dash. The unit itself was removable to prevent theft, though it would’ve been useless without the proprietary GM onboard computer in the trunk, and the requisite satellite antenna. It was neither as clean looking nor as slick as the Aurora show car, but could be installed without major changes to the dash.


When it arrived, the Oldsmobile Eighty Eight became the first production car available in the United States with a GPS navigation system. The timeline is a little unclear, but shortly after its introduction on the Eighty Eight Oldsmobile expanded Guidestar’s availability to the more expensive LSS and Bravada. It was available on all three models for 1996. Guidestar was never made available in the flagship Aurora, likely because the dash design was finalized long before Guidestar was ready for production. Given Aurora’s center console layout, a floor mounted metal post was not an option. 

Competition in the in-car navigation space heated up after Oldsmobile’s lead. Acura followed with hard drive navigation in the 1996 3.5 RL, though that implementation was in-dash and looked much more polished than Guidestar on a stick. The following year, the 1997 Prius became available with more accurate differential GPS, installed in-dash. Both the RL and the Prius used touchscreens in their navigation systems.

Unlike its TravTek predecessor, Guidestar did not offer live traffic information. Specific address numbers could be input, rather than a general street name as on TravTek. Additionally, points of interest were included to help guide to tourist spots, hospitals, gas stations, and other useful places. And because the hard disk storage was removable, the system could (in theory) be updated easily with new information and map cartridges.


Said mapping was a downside with Guidestar, as there was data for only 17 states. Each map cartridge installed in the system cost an additional $400 ($817 adj.). It would also mean a visit and payment to your local Oldsmobile dealer if you wanted to use guidance in a part of the country not covered by your car’s current set of maps. 

In case you were curious, in 1996 Guidestar worked in California, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Maryland, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Rhode Island, Vermont, and Virginia. Assuming you received your state complimentary from GM at purchase, you’d need just $6,400 ($13,074 adj.) to have a complete set of Guidestar maps.

A very novel idea at the time, Guidestar was technology consumers had never seen previously. This cringy clip shows an Eighty Eight with Guidestar navigating the tony Detroit suburb of Bloomfield Hills, and arriving at a suitably contemporary mansion. Unfortunately, the way Guidestar was launched, implemented, marketed, and priced assured it remained a novelty for the wealthy.


With a high price and lacking usability in cross-country journeys, it appealed primarily as a $5 per day rental car device, and to some real estate agents. By the latter half of 1996, only 2,000 Guidestar systems had been installed in Oldsmobiles. Of those, 1,000 were the units purchased by Avis. Can you find an Oldsmobile for sale with Guidestar intact? Let me know.

Oldsmobile’s advanced concepts manager Vic Ide (retired 1999) said he wanted the system’s price to be cut to under $1,000 ($1,988 adj.) to make it more appealing, and insisted it must offer real-time traffic information. Both of those were admirable goals, but the Oldsmobile-only scope of Guidestar meant production scale for cost cutting and dollars for development just weren’t there. By all accounts 1996 was the final year Guidestar was offered. 


GM would return with in-dash navigation on the Cadillac STS in 1998, but by that time there was steep competition as every other auto manufacturer offered in-dash GPS. Additionally, portable offerings like Garmin came to market and would continually undercut the cost of in-car navigation packages. But Oldsmobile was still the first, and may we always remember Guidestar (1995-1996).


[Images GM]


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Corey Lewis
Corey Lewis

Interested in lots of cars and their various historical contexts. Started writing articles for TTAC in late 2016, when my first posts were QOTDs. From there I started a few new series like Rare Rides, Buy/Drive/Burn, Abandoned History, and most recently Rare Rides Icons. Operating from a home base in Cincinnati, Ohio, a relative auto journalist dead zone. Many of my articles are prompted by something I'll see on social media that sparks my interest and causes me to research. Finding articles and information from the early days of the internet and beyond that covers the little details lost to time: trim packages, color and wheel choices, interior fabrics. Beyond those, I'm fascinated by automotive industry experiments, both failures and successes. Lately I've taken an interest in AI, and generating "what if" type images for car models long dead. Reincarnating a modern Toyota Paseo, Lincoln Mark IX, or Isuzu Trooper through a text prompt is fun. Fun to post them on Twitter too, and watch people overreact. To that end, the social media I use most is Twitter, @CoreyLewis86. I also contribute pieces for Forbes Wheels and Forbes Home.

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  • Art_Vandelay Art_Vandelay on Dec 21, 2023

    The 90s was peak car

  • Scrotie Scrotie 5 days ago

    about 4 years ago there was a 1992 oldsmobile toronado which was a travtech-avis pilot car that had the prototype nav system and had a big antenna on the back. it sold quick and id never seen another ever again. i think they wanted like 13500 for it which was steep for an early 90s gm car.

  • 3-On-The-Tree Another observation during my time as a firefighter EMT was that seatbelts and helmets do save lives and reduce injury. And its always the other person getting hurt.
  • 3-On-The-Tree Jeff, Matt Posky, When my bike came out in 1999 it was the fastest production motorcycle in the world, 150 HP 197 top speed, 9.57 quarter mile Hayabusa peregrine falcon etc. This led to controversy and calls for high-speed motorcycles to be banned in order to avoid increasingly fast bikes from driving on public roads. This led to a mutual decision nicknamed the “ gentleman’s agreement” to limit bikes to 186mph, ending the production bike speed contest for all bikes 2000 and upward. Honestly once your over a buck 20 it’s all a blur. Most super cars can do over or close to 200mpg, I know at least on paper my 09 C6 corvette LS3 tops out at 190mph.
  • 3-On-The-Tree In my life before the military I was a firefighter EMT and for the majority of the car accidents that we responded to ALCOHOL and drugs was the main factor. All the suggested limitations from everyone above don’t matter if there is a drunken/high fool behind the wheel. Again personal responsibility.
  • Wjtinfwb NONE. Vehicle tech is not the issue. What is the issue is we give a drivers license to any moron who can fog a mirror. Then don't even enforce that requirement or the requirement to have auto insurance is you have a car. The only tech I could get behind is to override the lighting controls so that headlights and taillights automatically come on at dusk and in sync with wipers. I see way too many cars after dark without headlights, likely due to the automatic control being overridden and turned to "Off". The current trend of digital or electro-luminescent dashboards exacerbates this as the dash is illuminated, fooling a driver into thinking the headlights are on.
  • Kjhkjlhkjhkljh kljhjkhjklhkjh given the increasing number of useless human scumbags who use their phones while driving (when it is not LIFE AND DEATH EMERGENCY) there has to be a trade off.It is either this, or make phone use during driving a moving violation that can suspend a license.
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