How to Clear DTC on a 1999 Cadillac?

Answer "Diagnostic trouble code (DTC) takes the form of an alpha-numeric sequence. A Cadillac's onboard diagnostic system issues a DTC whenever a problem is sensed within the car's engine or electrical s... Read More »

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How to Troubleshoot a 1999 Cadillac STS?

The Cadillac STS is a mid-sized touring sedan. The "STS" stands for "Seville Touring Sedan," as the car was the successor to the Cadillac Seville. The STS was introduced in 2005, revamped in 2006 a... Read More »

1999 Cadillac DeVille Specs?

The DeVille is Cadillac's best selling car by a 3-to-1 ratio, according to MSN Autos. The 1999 DeVille came in three trim packages: Base, D'Elegance and Concours. These cars had an original retail ... Read More »

How to Get Computer Codes for a 1999 Cadillac?

One of the greatest additions to modern vehicles is the onboard diagnostics system. The OBD II is a computer system in your vehicle that is connected to your vehicle's engine control module. By con... Read More »

How to Add Refrigerant to a Compressor in a 1999 Cadillac?

The 1999 Cadillac models have automatic air conditioning systems that require R134 refrigerant to keep them pumping out cold air. R134 begins as a gas, and -- after being pumped to a higher pressu... Read More »