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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 33 (COMPUTER RELEARN PROCEDURES)RELEARN PROCEDURES (CARS)BONNEVILLE & LE SABREPASS-KEY(R) III SYSTEM AUTO LEARN PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic
PASS-Key(R) III System Auto Learn Procedure
1999 GMC Forward Control 5.7 R, AutomaticSECTION PASS-Key(R) III System Auto Learn Procedure
WARNING: This page does not describe the selected car, but rather 67 other vehicles, including the 2000 Saturn SW2, 2000 Saturn SL2, 2000 Saturn SL1, 2000 Saturn SL, and 2000 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.
- Insert a valid mechanical coded unlearned ignition key in the ignition switch. Place ignition switch in the RUN position. The SECURITY indicator light will come on for 10 minutes, the length of the auto learn timer.
- When auto learn timer expires and SECURITY indicator light goes off, place ignition switch in OFF position. Remove ignition key from ignition. Wait 10 seconds.
- Repeat steps 1) and 2) 2 more times. Insert the newly learned ignition key in ignition switch.
- Place ignition switch in RUN position. The SECURITY indicator light should remain off to indicate the ignition key was learned. If security indicator does not remain off, repeat procedure.
NOTE:
PASS-Key(R) III system quick learn procedure is used to learn additional ignition keys (Black master or Gray valet). A learned Black master key must be used to initiate procedure. Up to 10 ignition keys can be learned.
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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.