Having problems with your 2003 Pontiac Montana ?
Where do I put the brake fluid? - 2003 Pontiac Montana
There will be a small (usually white) plastic housing, drivers side almost directly in front of drivers position. It will have a small round cap (sometimes w/wires coming from it) Unscrew cap and top up to "full" level marked on side of container. It's call a master cylinder.
Repair Help & Product Troubleshooting for 2003 Pontiac Montana
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.