| 1. | Set each of the radio station preset buttons. Do each of the buttons set properly? YES - Go to 2. NO - Replace the audio unit.n |
| 2. | Turn the ignition switch OFF for 1 minute, then turn it back to ON (II). |
| 3. | Test the preset buttons for proper recall operation. Do the preset buttons recall the set radio stations? YES - System is normal at this time. Check the connections at the audio unit.n NO - Replace the audio unit.n |