Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE1998ACHIEVA 3.1 M, 4T40E/MN4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 6 (BODY CONTROL MODULES)PROGRAMMINGTRANSMITTERMANUAL PROGRAMMING
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
Manual Programming
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Manual Programming
WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Sit in drivers seat and remove ignition key from ignition switch.
- Close all doors and press and hold UNLOCK button on door lock switch.
- While holding UNLOCK button on door lock switch, insert and remove ignition key from ignition switch 2 times. Do not turn ignition switch.
- Insert ignition key a third time. Leave ignition key in ignition switch and switch in LOCK position for remainder of programming.
- Release door lock switch. 3 chimes will be heard indicating transmitter programming is active.
- Press and hold LOCK and UNLOCK buttons at the same time on keyless entry transmitter for 12 seconds. Two chimes will be heard indicating transmitter has been successfully programmed.
- Repeat step 6 for up to 4 transmitters. To end procedure, remove ignition key from ignition switch.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.