2005 Chevrolet Blazer Owner's Manual - Page 72
2005 Chevrolet Blazer Manual
Page 72 highlights
Remote Keyless Entry System Operation If your vehicle has this feature, you can lock and unlock your doors from about 3 feet (1m) up to 30 feet (9 m) away using the remote keyless entry transmitter supplied with your vehicle. LOCK: Press LOCK to lock all the doors. Press LOCK again within three seconds and the horn will chirp for confirmation. REAR 2X: When you press the REAR 2X button twice within three seconds to release the rear liftglass, the parking lamps will flash and the interior lamps will go on. If your vehicle has an automatic transmission, the transmission must be in PARK (P) or NEUTRAL (N). If your vehicle has a manual transmission, the parking brake must be engaged. L (Remote Alarm): Press this button on the key transmitter to make the horn sound and the headlamps and taillamps flash for up to 30 seconds. This can be turned off by pressing the remote alarm button again, waiting for 30 seconds, or starting the vehicle. UNLOCK: Press UNLOCK to unlock the driver's door. The parking lamps will flash and the interior lamps will go on. If you press UNLOCK twice within three seconds, the remaining doors will unlock. 2-6