2010 Cadillac CTS Owner's Manual - Page 159

Instruments and Controls comes on and stays on, there may be a problem with the TPMS. See your dealer/retailer. The low tire pressure warning light will also come on. See Tire Pressure Light on page 4‑29. If a tire pressure message appears on the DIC, stop as soon as you can. Inflate the tires by adding air until the tire pressure is equal to the values shown on the Tire Loading Information label. See Tires on page 9‑58, Vehicle Load Limits on page 8‑12, and Tire Pressure on page 9‑66. If the vehicle does not have a spare tire, the message will display "Use Inflator Kit in Trunk". Use the inflator kit to inflate the tires to the correct pressure. See Tire Sealant and Compressor Kit on page 9‑84 for more information. More than one tire pressure message can be received at a time. To read the other messages, press the set/reset button. The DIC display also shows the tire pressure values. See Driver Information Center (DIC) on page 4‑31. 4-49 Transmission Messages Differential Hot, Reduce Speed (CTS-V Only) This message displays and a chime sounds if the differential fluid temperature exceeds 150°C (300°F). Driving aggressively or at high speeds can cause the differential fluid temperature to be higher than normal. If this message appears, you may continue to drive at a slower speed. If you have been operating the vehicle under normal driving conditions, the vehicle may need service. See your dealer/ retailer for an inspection. To acknowledge the message, press V . The message reappears and a chime sounds every two minutes until this condition changes. If you do not clear the message, it will remain on until the condition changes. Tire Learning Active This message displays when the Tire Pressure Monitor System (TPMS) is re-learning the tire positions on the vehicle. The tire positions must be re-learned after rotating the tires or after replacing a tire or sensor. See Tire Rotation on page 9‑73, Tire Pressure Monitor System on page 9‑68, and Tire Pressure on page 9‑66 for more information. Tire Low Add Air To Tire On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle's tires is low. This message also displays LEFT FRONT, RIGHT FRONT, LEFT REAR, or RIGHT REAR to indicate the location of the low tire.