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New STS Gadgets & Sound

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Keyless Access with push button start System

Smart Remote Start


Bose Studio Surround Sound Audio System

The all-new 2005 Cadillac STS is equipped with purposeful technologies developed to ensure an outstanding vehicle experience in terms of luxury, comfort, convenience and safety.

The technological backbone of the STS comes in the form of the GM LAN Serial Data Electrical Architecture – a high- and low-speed data network that connects system modules and ensures that information is properly communicated and shared between them.

In all, the STS is equipped with up to 27 modules, located throughout the vehicle, depending upon options selected. Each module sends and receives information sent via the GM LAN.

This electrical architecture enables the host of purposeful technologies offered on the STS.

Keyless Access with push button start

Keyless Access enables passive vehicle and trunk entry and push-button ignition via a personalized, keyless fob. With the key fob in a pocket or purse, a person can approach a locked vehicle, pull the door handle and open the door. The same concept applies when opening the trunk. As a result, the need to pull keys out – or even the fob – to activate the door and trunk functions has been eliminated. The system uses passive and active antennas to detect the vehicle fob and its proximity to the vehicle.

Keyless Access works in tandem with the vehicle security system, enabling the STS to be started with a momentary push of a button located on the instrument panel. To start the vehicle, the fob must be inside the vehicle, and the brake pedal depressed.

Smart Remote Start system

The Smart Remote Start system, which operates from as far as 200 feet, not only starts the vehicle via fob activation but also automatically adjusts a variety of personalization settings in the process.

When activated via the Smart Remote Start system, the STS – based on temperature inputs – begins to acclimate the occupant environment before the driver gets to the vehicle. Once remote start is initiated, the vehicle:

Adjusts climate control to previously set cabin temperature.

Begins seat heat or ventilation (based on feedback from outside temperature settings).

Activates front and rear window defroster if climate conditions require it.

This extension of functionality is made possible by the electrical architecture on the STS, which allows various systems in the vehicle to work in concert.

Adaptive Cruise Control

The STS can be equipped with Adaptive Cruise Control (ACC), which greatly increases the value and comfort of cruise control, especially in congested traffic situations.

The system uses a radar sensor mounted at the front of the STS that is located behind the grille-mounted wreath & crest to detect objects in its path. If the lane ahead is clear, the system will maintain the set speed. When slower traffic is detected, the system will automatically adjust to a safe distance (which is selected by the driver) by using throttle control and limited braking.

The ACC system used on the STS also incorporates two new features: grade braking and audible alert. With grade braking, the transmission will automatically downshift to maintain selected vehicle speed and distance, preventing overheating of brakes.

The audible alert function operates when ACC is active, notifying the driver when he/she is too close to a preceding vehicle. All adaptive cruise displays are shown through the four-color, reconfigurable head-up display (HUD).

High-performance forward lighting system

The STS is equipped with large 70-millimeter projector beam headlamps for outstanding forward- and spread-light performance. Two projector beams are stacked vertically in each headlamp housing; the upper projectors provide low-beam illumination, and all four projectors are illuminated for high-beam performance.

The tungsten halogen lighting provides an outstanding “punch” – or down the road – lighting as well as excellent spread light. When equipped with an optional high-intensity discharge (HID) xenon lighting system, the 70-millimeter projectors provide even greater forward and spread light. The HID application includes headlamp washers, which are integrated flush to surface on the adjacent front fascia.

On vehicles sold outside North America, the STS will only be equipped with the HID lighting system as well as a dynamic headlamp leveling system – a feature where the lens automatically aligns itself to the vertical height of the road based on vehicle pitch.


Intellibeam automatically switches headlamps from high- to low-beam and back again when oncoming headlamps or forward lighting elements are sensed. The system makes nighttime driving safer by providing the maximum amount of light possible for any driving scenario.

The system uses a state-of-the-art complimentary metal-oxide semiconductor (CMOS) light sensor. Located on the back of the rearview mirror, the CMOS contains a miniature camera, light sensors and microprocessor that sense oncoming light. When it detects an approaching vehicle’s headlights or preceding vehicle’s taillamps, the system turns off the high beams gradually before it distracts other drivers. The system also detects and effectively ignores ambient light coming from streetlights, sign reflections, buildings and other sources.

In situations where light from an approaching vehicle is more immediate, such as when cresting a hill, the Intellibeam system reacts instantaneously, automatically switching to low-beam output of light.

Reconfigurable four-color head-up display

The STS will incorporate a day/night head-up display (HUD) application that is four-color and reconfigurable.

The HUD will incorporate an infotainment data display, tap gear display, shift indicator display and ACC display as well as turn-by-turn directional navigation and audio band, frequency, and pre-set information – all based on driver preference. It is also configurable to five languages: English, French, Spanish, German, and Italian.

A switch located on the instrument panel allows the driver to turn the system off or on.

Bose Studio Surround Sound audio system

One of the industry’s first OEM-installed surround sound audio system – developed by Bose – incorporates 15 speakers and provides concert quality sound to both front occupants and passengers in the rear compartment.

The optional 300-watt system incorporates the following elements for unmatched 5.1 channel surround sound quality and performance:

Four 50-millimeter mid-high range speakers integrated with two in each of the driver and front passenger seats.

Two 2.5-inch full-range outboard speakers positioned in the instrument panel.

Four 3.5-inch full-range speakers located in the instrument panel, rear console, and rear shelf.

Two 9-inch powered Neodynium (Nd) woofer assemblies located in the driver and front passenger doors.

Two 5.25-inch full-range speakers positioned in the rear doors.

A 12-inch powered Nd sub woofer located in the center position of the rear shelf.

A surround amplifier positioned on the rear shelf.

A VNC microphone positioned to the driver’s lower right.

The system incorporates proprietary processing technology from Bose, which makes two-channel audio information very rich and spacious. Base radio system features on the STS include dedicated presets for two drivers (up to 36 each) for AM, FM and XM Satellite Radio reception as well as the ability to seek across bands. The base system also includes expanded information display for XM, FM-RDS and CD MP3.

Six-disc in-dash DVD/CD changer

An optional factory-installed, in-dash six-disc DVD changer supports a variety of media formats and includes 5.1 channel surround sound. The system also incorporates dual media slots – one for entertainment and the other for DVD-based navigation – greatly reducing time changing media and ensuring full-time navigation capability.

Media formats supported by the DVD system include DVD audio, DVD video, CD audio and MP3. Media types supported are CD/DVD ROM and CD/DVD-R. DVD video can only be activated when the vehicle is in “park”.

Large infotainment display

When equipped with an uplevel infotainment package, the STS has an industry-largest 8-inch diagonal high-resolution full VGA infotainment display head with full touch screen and four-position tilt function.

The display head – which is positioned high in the center stack and is flush with the surface of the instrument panel – provides unmatched clarity enabled by 800-by-480 pixel resolution. A large viewable area (approximately 104-by-174 mm) is 20 percent larger than most current offerings.

The four position tilt-screen incorporates memory recall and offers 5-, 10-, and 15-degrees of tilt, enabling the driver to select the best viewing angle based on environmental conditions.

Enhanced DVD-based navigation system

The DVD-based navigation system available on the STS conducts route calculation 30 percent faster than current systems, displays freeway exit information (gas, restaurants, services) via expandable icons, and covers all roads and streets in the U.S. and Canada (nearly seven million miles) on a single map DVD. The system allows route planning to items stored in memory via voice commands and/or voice tags.

A broad range of location search options is available, making location selection more user friendly.

Cellular phone compatibility

The STS has cellular telephone accommodation for the factory-installed OnStar system and portable Bluetooth capable phones through the uplevel infotainment system, which enable hands-free operation, screen and voice dialing of phone numbers.

Enhanced voice recognition

An enhanced voice-recognition system on the STS offers continuous speech capability, multiple language support (English, French, Spanish, German, and Italian) and more than 150 voice commands, including those for infotainment and HVAC, among other functions.


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