Buick Regal Owners Manual

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Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The fol ...

Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if: The key is in the ignition (key access) or if the key is in the vehicle (keyless access). The hood is not closed. The hazard warning fl ...

When to Add Engine Oil
If the oil is below the L mark for the L6 engine or the cross-hatched area at the tip of the dipstick for the V8 engine, you will need to add at least one quart/liter of oil. But you must use the ...