2008 GMC Sierra 1500 Pickup Owner's Manual - Page 193

If a low or high tire pressure condition is detected by the system while driving, a message advising you to check the pressure in a specific tire will appear in the display. See Inflation - Tire Pressure on page 5-65 and DIC Warnings and Messages on page 3-59 for more information. If the tire pressure display shows dashes instead of a value, there may be a problem with your vehicle. If this consistently occurs, see your dealer/retailer for service. 3. Press and hold the lock and unlock buttons on the first transmitter at the same time for about 15 seconds. On vehicles with memory recall seats, the first transmitter learned will match driver 1 and the second will match driver 2. A chime will sound indicating that the transmitter is matched. 4. To match additional transmitters at this time, repeat Step 3. Each vehicle can have a maximum of eight transmitters matched to it. 5. To exit the programming mode, you must cycle the key to LOCK/OFF. Engine Hours Press the vehicle information button until ENGINE HOURS displays. This display shows the total number of hours the engine has run. Relearn Remote Key This display allows you to match Remote Keyless Entry (RKE) transmitters to your vehicle. To match an RKE transmitter to your vehicle: 1. Press the vehicle information button until PRESS TO RELEARN REMOTE KEY displays. 2. Press the set/reset button until REMOTE KEY LEARNING ACTIVE is displayed. Blank Display This display shows no information. V 3-57