Cadillac CTS 2009 Convenience & Personalization Guide

To reset the oil life monitor on a 2009 Cadillac CTS, turn the ignition to the "ON" position without starting the engine. Press the "INFO" button until "Oil Life Remaining" is displayed. Press and hold the "RESET" button until the display shows 100%.
The recommended engine oil for a 2009 Cadillac CTS is 5W-30 synthetic oil. Always check the owner’s manual for the most accurate specifications.
If the navigation system is not working, try checking the fuses related to the system. Ensure the GPS signal is not blocked and that the disc or SD card (if applicable) is clean and properly inserted. Performing a system reset might also help.
The maintenance schedule includes regular oil changes every 7,500 miles, tire rotations every 7,500 miles, and air filter replacements every 15,000 miles. Brake inspections should occur every 10,000 miles. Refer to the owner’s manual for a detailed schedule.
The radio display may not work due to a blown fuse, faulty wiring, or a malfunction in the head unit. Check the fuses and connections first. If the issue persists, the head unit may require professional inspection.
To replace the headlight bulb, open the hood and locate the back of the headlight assembly. Remove the cover, disconnect the electrical connector, and remove the old bulb. Insert the new bulb, reconnect the connector, and replace the cover.
Overheating can be caused by low coolant levels, a faulty thermostat, a malfunctioning radiator fan, or a blocked radiator. Inspect these components and refill or replace as necessary.
To pair a phone, enable Bluetooth on your device. On the car's system, go to "Phone" or "Bluetooth" settings and select "Pair Device." Follow the prompts and confirm the pairing code on both devices.
Common transmission issues include slipping gears, hesitation in shifting, and transmission fluid leaks. Regular maintenance and fluid checks can help prevent these issues.
To check the brake fluid level, locate the brake fluid reservoir under the hood. Ensure the vehicle is on a level surface and the engine is off. The fluid level should be between the "MIN" and "MAX" marks.