Kia Optima Standard Audio System 2015 Quick Start Guide

To reset the audio system, turn off the car, then turn it back on. Hold down the power button on the radio for about 10 seconds until it restarts.
Check if the audio system is muted or if the volume is turned down. Also, ensure that all connections are secure and the fuse is not blown.
Enable Bluetooth on your phone, then press the 'Phone' button on the audio system. Select 'Add New Device' and choose your phone from the list. Enter the PIN if prompted.
Check if the CD is inserted correctly and is free of scratches. Try a different CD to rule out a disc issue. If the problem persists, consult your dealer.
Visit the official Kia website for any available updates. Download the update onto a USB drive and insert it into the USB port. Follow the on-screen instructions to update.
Adjust the bass, treble, and balance settings to your preference. Ensure all speakers are functioning correctly and consider upgrading speakers for better sound quality.
Go to the Bluetooth settings on the audio system, select the device you wish to disconnect, and choose 'Delete' or 'Remove' to disconnect it.
Check the antenna for any damage or obstructions. Ensure that it is securely attached. If the issue persists, it may be due to weak signal areas.
Tune to the desired radio station, then press and hold one of the preset buttons until you hear a beep. The station is now saved to that preset.
Yes, insert a USB drive with compatible audio files into the USB port. Use the media or USB button on the audio system to access and play the files.