2009 Hummer H3T Alpha Owner's Manual - Page 157
2009 Hummer H3T Alpha Manual
Page 157 highlights
Instrument Panel message and clear it from the display. The message appears at each ignition cycle until the tires are inflated to the correct inflation pressure. See Tires on page 5-44 and Inflation - Tire Pressure on page 5-51 for more information on tires and the correct inflation pressures. 3-39 REDUCED POWER This message displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there is no reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven at a reduced speed while this message is on, but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should be taken to your dealer/retailer for service as soon as possible. Press and release the reset stem to acknowledge the message and clear it from the display. and have it serviced by your dealer/retailer. See Full-Time Four-Wheel Drive on page 2-24 for more information about the transfer case. Press and release the reset stem to acknowledge the message and clear it from the display. OIL This message displays when the oil pressure is low. See Oil Pressure Light on page 3-32 and Engine Oil on page 5-13 for more information. SERV (Service) TPM (Tire Pressure Monitor) On vehicles with the Tire Pressure Monitor System (TPMS), this message displays if a part on the TPMS is not working properly. The tire pressure light also flashes and then remains on during the same ignition cycle. See Tire Pressure Light on page 3-30. Several conditions may cause this message to appear. See Tire Pressure Monitor Operation on page 5-54 for more information. If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer/retailer. PARK BRK (Brake) This message displays when the parking brake is set. See Parking Brake on page 2-28 and Brake System Warning Light on page 3-27 for more information. The message clears from the display after the parking brake is released or by pressing and releasing the reset stem. SERV (Service) 4WD (Four-Wheel Drive) This message displays when there is a problem with the transfer case control system. Check the transfer case on the vehicle