Coolant Types for the Pontiac Vibe | It Still Runs General Motors advises that Pontiac Vibe owners use only DEX-Cool engine coolant in the car. Since 1996, all GM vehicles leaving the factory have been factory filled with the Dex-Cool OAT coolant. According to the Pontiac Vibe manual, the coolant in the vehicle should last for five years or 500,000 miles, which ever occurs first. Pontiac Vibe OE Engine Coolant - autozone Order Pontiac Vibe OE Engine Coolant online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.