2010 Buick LaCrosse Owner's Manual - Page 11

Keys, Doors and Windows 1-5 7 (Vehicle Locator/Panic Alarm): Press and release one time to locate the vehicle. The exterior lamps flash and the horn chirps. Press and hold 7 for at least two seconds to sound the panic alarm. The horn sounds and the turn signals flash until 7 is pressed again or the vehicle is started. For vehicles with this feature, press Q and then press and hold / within five seconds to start the engine from outside the vehicle using the RKE transmitter. See Remote Vehicle Start on page 1‑8 for additional information. Programming Transmitters to the Vehicle Only RKE transmitters programmed to this vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer/ retailer. When the replacement transmitter is programmed to this vehicle, all remaining transmitters must also be reprogrammed. Any lost or stolen transmitters will no longer work once the new transmitter is programmed. Remote Keyless Entry (RKE) System Operation (Keyless Access) The Keyless Access System lets you lock and unlock the doors and access the trunk without removing the remote transmitter from your pocket, purse, briefcase, etc. The keyless access transmitter should be within 1 m (3 feet) of the door or trunk being opened. Keyless Unlocking With the keyless access transmitter within 1 m (3 feet), approach the front door and pull the handle to unlock and open the door. If the transmitter is recognized, the door will unlock and open. Entering any door other than the driver door will always cause all of the doors to unlock. This is not customizable. / (Remote Vehicle Start): Battery Replacement Replace the battery if the Replace Battery in Remote Key message displays in the DIC. See "Replace Battery in Remote Key" under Key and Lock Messages on page 4‑36. The battery is not rechargeable. See your dealer/retailer to replace the battery.