2008 Hummer H3 Alpha Owner's Manual - Page 180

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. SERV (Service) TPM (Tire Pressure Monitor) This message displays if a part on the Tire Pressure Monitor System (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 3-35. Several conditions may cause this message to appear. See Tire Pressure Monitor Operation on page 5-65 for more information. If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer/retailer. SERV (Service) VEH (Vehicle) This message displays if your vehicle needs service. Have your vehicle serviced by your dealer/retailer as soon as possible. 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 your vehicle and have it serviced by your dealer/retailer. See Full-Time Four-Wheel Drive on page 2-27 for more information about the transfer case. Press and release the reset stem to acknowledge the message and clear it from the display. 3-46