[Solution] My Pontiac Montana is stuck after battery change - needs code

3825 views - Last reply: March 26, 2025
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Need my Pontiac Montana's key code to program a new transponder key

Hello! We've developed a VIN-based tool to help you get your key code for the Pontiac Montana. Check it out here: VIN Key Code Generator.

Replies (3)

My Pontiac Montana might finally get back on the road thanks to this.

Trying to figure this out for my Pontiac Montana too!

My Pontiac Montana needs a new key but I need the code first. Help!

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Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Key Programming
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Cost & Options
Locksmiths are typically 30-50% cheaper than dealerships for key replacement and programming. However, some newer models (especially luxury brands) may require dealer-only programming tools. Always get quotes from both.
Key Tip: Replace key fob batteries every 1-2 years as preventative maintenance
Key Fob Issues
Common causes: dead battery (most common), water damage, internal circuit damage, or the fob lost synchronization with your car. Try replacing the battery first. If that doesn't help, the fob may need reprogramming or replacement.
Key Tip: Some locksmiths offer mobile key programming services
Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
Key Tip: Avoid exposing key fobs to water or extreme temperatures
Key Fact: The average driver will lose 1-2 car keys during ownership

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May 21, 2026

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Learn how to extract key codes from VIN numbers and decode vehicle security information
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May 28, 2026

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May 13, 2026

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Step-by-step instruction for repairing common key fob issues including button and circuit problems
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May 18, 2026

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