2007 Cadillac STS Owner's Manual - Page 267

To help the generator recharge the battery quickly, you can reduce the load on the electrical system by turning off the accessories. The normal battery voltage range is 11.5 to 15.5 volts. You can monitor battery voltage on the DIC by pressing the information button until you find BATTERY VOLTS. CHECK GAS CAP This message displays when the fuel cap has not been fully tightened. Recheck the fuel cap to ensure that it is on and tightened properly. CHECK TIRE PRESSURE If your vehicle has a Tire Pressure Monitor (TPM) system, this message displays when the tire pressure in one of the tires needs to be checked. See DIC Controls and Displays on page 258 for more information on checking your vehicle's tire pressures. If a tire pressure message appears on the DIC, stop as soon as you can. Have the tire pressures checked and set to those shown on the Tire Loading Information label. See Tire Pressure Monitor System on page 433 and Inflation - Tire Pressure on page 431 for more information. If the tire pressure is low, the low tire pressure warning light comes on. See Low Tire Pressure Warning Light on page 249. CHANGE ENGINE OIL SOON This message displays when service is required for your vehicle. See your dealer. See Engine Oil on page 380 and Scheduled Maintenance on page 505 for more information. When you reset the CHANGE ENGINE OIL SOON message by clearing it from the display, you still must reset the engine oil life system separately. For more information on resetting the engine oil life system, see Engine Oil Life System on page 383. CHECK BRAKE FLUID This message displays if the ignition is on to inform the driver that the brake fluid level is low. Have the brake system serviced by your dealer as soon as possible. See Brake System Warning Light on page 248 for more information. 267