2004 Saturn Ion Owner's Manual - Page 157
2004 Saturn Ion Manual
Page 157 highlights
Low Fuel Warning Message When the LOW FUEL message is displayed, you may have less than 1.5 gallons (5.5 liters) of fuel left. A chime will also sound to alert you to this message. You should refuel your vehicle immediately. When the fuel tank is filled to more than 3.3 gallons (11.5 liters), this message will no longer be displayed. Error Message When the ERROR message is displayed, there is a problem with your odometer system. See your retailer for service and repair if this message is displayed. Service Vehicle Message If the SERVICE VEHICLE message is displayed, a non-emission related problem has occurred which requires the vehicle be taken in for service. These problems may not be obvious and may affect vehicle performance and durability. See your retailer for necessary repairs to maintain top vehicle performance. 3-45