Have you recently changed brands of fuel?

If so, be sure to fuel your vehicle with quality fuel. See Gasoline Octane on page 399. Poor fuel quality will cause your engine not to run as efficiently as designed. You may notice this as stalling after start-up, stalling when you put

the vehicle into gear, misfiring, hesitation on acceleration, or stumbling on acceleration. (These conditions may go away once the engine is warmed up.) This will be detected by the system and cause the light to turn on.

If you experience one or more of these conditions, change the fuel brand you use. It will require at least one full tank of the proper fuel to turn the light off.

If none of the above steps have made the light turn off, your dealer can check the vehicle. Your dealer has the proper test equipment and diagnostic tools to fix any mechanical or electrical problems that may have developed.

Emissions Inspection and

Maintenance Programs

Some state/provincial and local governments have or may begin programs to inspect the emission control equipment on your vehicle. Failure to pass this inspection could prevent you from getting a vehicle registration.

Here are some things you need to know to help your vehicle pass an inspection:

Your vehicle will not pass this inspection if the check engine light is on or not working properly.

Your vehicle will not pass this inspection if

the OBD (on-board diagnostic) system determines that critical emission control systems have not been completely diagnosed by the system.

The vehicle would be considered not ready for inspection. This can happen if you have recently replaced your battery or if your battery has

run down. The diagnostic system is designed

to evaluate critical emission control systems during normal driving. This may take several days of routine driving. If you have done this and

your vehicle still does not pass the inspection for lack of OBD system readiness, your GM dealer can prepare the vehicle for inspection.

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Cadillac 2007 owner manual Emissions Inspection Maintenance Programs
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2007 specifications

The 2007 Cadillac lineup showcased a blend of luxury, performance, and innovative technology that exemplified the brand’s commitment to quality and elegance. With models like the Cadillac CTS, STS, and Escalade, Cadillac aimed to cater to the diverse preferences of luxury car enthusiasts.

The 2007 Cadillac CTS was a standout model, renowned for its bold design and dynamic performance. Sporting a more aggressive exterior compared to its predecessors, the CTS featured a distinctive front grille and sharp lines that highlighted its sporty character. Under the hood, buyers had the option of a 2.8-liter V6 engine producing 210 horsepower or a more robust 3.6-liter V6 engine delivering 255 horsepower. Both engines were paired with a smooth-shifting six-speed automatic transmission, offering a blend of power and efficiency.

One of the significant technological advancements in the 2007 CTS was its availability of the Cadillac User Experience (CUE) system. This advanced infotainment system included a touchscreen interface, Bluetooth connectivity, and a premium audio system, providing drivers with seamless access to entertainment and navigation.

The Cadillac STS, another model from the 2007 lineup, catered to those seeking a luxurious sedan experience. Offering a spacious interior wrapped in premium materials, the STS featured heated leather seats and an intuitive dashboard layout. Power options ranged from a 3.6-liter V6 to a powerful 4.6-liter V8 engine, which allowed for an exhilarating driving experience. The STS also included innovative safety features such as an advanced airbag system and electronic stability control, ensuring peace of mind during every drive.

The Cadillac Escalade, a flagship SUV, epitomized luxury in the 2007 lineup. With its commanding presence and spacious interior, the Escalade won over families and celebrities alike. Offering a 6.2-liter V8 engine, it produced an impressive 403 horsepower, allowing it to excel in performance despite its size. High-quality materials adorned the cabin, and amenities like a rear-seat entertainment system and Bose surround sound system elevated the driving experience.

Overall, the 2007 Cadillac models combined luxurious features, cutting-edge technology, and robust performance, solidifying Cadillac's place as a leader in the luxury automotive market. These vehicles were designed not just to meet the expectations of discerning customers but to exceed them, setting a standard for future releases in the automotive industry.
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