How to Troubleshoot a 1999 Cadillac STS?

Answer 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 »

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How to Clear DTC on a 1999 Cadillac?

"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 »

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 »

1999 Cadillac Seville Specs?

Cadillac offered the 1999 Seville luxury sedan at an original retail price of over $40,000. This front-engine, front-wheel-drive car was the second smallest vehicle offered by Cadillac at the time.... 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 »