1997 Chevrolet Blazer Owner's Manual - Page 64

Operation When you press UNLOCK, the driver's door and endgate will unlock automatically. you press If UNLOCK again within five seconds, all doors will unlock. Press LOCK to lock all the doors. Press the REAR button twice within3 1/2 seconds to unlock and unlatch the rear glass. If your vehicle has an automatic transmission, the transmission must be in PARK (P) or NEUTRAL (N).If your vehicle has a manual transmission, you must engage the parking brake. Battery Replacement Under normal use, the battery in your remote keyless entry transmitter should last about two years. You can tell the battery weak if the transmitter won't is work at the normal range in any location. you have to If get closeto your vehicle before the transmitter works, it's probably time to change the battery. NOTICE: When replacing the battery, use care to touch not any of the circuitry.Static from your body transferred to these surfaces may damage the transmitter. Matching Transmitter(s)To Your Vehicle Each remote keyless entry 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. Remember to bring any remaining transmitters with you when you go to your dealer. Whenthe dealer matches the replacement transmitter to your vehicle, remaining transmitters any must also be matched. Once your dealer has coded the new transmitter, the lost transmitter will not unlock your vehicle. Each vehicle can have only two transmitters matched to it. 2-7