2008 GMC Sierra 1500 Pickup Owner's Manual - Page 82

Q (Lock): Press Q to lock all the doors. If enabled through the Driver Information Center (DIC), the turn signal lamps will flash once to indicate locking has occurred. If enabled through the DIC, the horn will chirp when Q is pressed again within three seconds of the previous press of the lock button. See DIC Vehicle Customization (With DIC Buttons) on page 3-68 for additional information. Pressing Q will arm the content theft-deterrent system. See Content Theft-Deterrent on page 2-18. L (Vehicle Locator/Panic Alarm): Press and release L to locate your vehicle. The turn signal lamps will flash and the horn will sound three times. Press and hold L for more than two seconds to activate the panic alarm. The turn signal lamps will flash and the horn will sound repeatedly for 30 seconds. The alarm will turn off when the ignition is moved to ON/RUN or L is pressed again. The ignition must be in LOCK/OFF for the panic alarm to work. " (Unlock): Press " to unlock the driver's door. If pressed again within three seconds, all remaining doors will unlock. " is Matching Transmitter(s) to Your Vehicle Each RKE transmitter is coded to prevent another transmitter from unlocking your vehicle. If a transmitter is lost or stolen, a replacement can be purchased through your dealer/retailer. All transmitters need to be re-coded to match the new transmitter. The lost transmitter will no longer work after the new transmitters are re-coded. The vehicle can have a maximum of eight transmitters matched to it. See "Relearn Remote Key" under DIC Operation and Displays (Using DIC Buttons) on page 3-52 or DIC Operation and Displays (Using Trip Odometer Reset Stem) on page 3-58 for instructions on how to match RKE transmitters to your vehicle. If it is dark enough outside, your interior lamps will come on and stay on for 20 seconds or until the ignition is turned on. If enabled through the DIC, the turn signal lamps will flash twice to indicate unlocking has occurred. See DIC Vehicle Customization (With DIC Buttons) on page 3-68. If enabled through the DIC, the exterior lights will turn on briefly if it is dark enough outside. See "APPROACH LIGHTING" under DIC Vehicle Customization (With DIC Buttons) on page 3-68. Pressing " on the RKE transmitter will disarm the content theft-deterrent system. See Content Theft-Deterrent on page 2-18. 2-6