Buick Regal: Engine Co
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 miles), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating .
- What to Use
- Checking Coolant
- How to Add Coolant to the Coolant Surge Tank
- 2.0 L L4 Engine Shown, 2.4 L L4 Engine Similar
Cooling System
The cooling system allows the engine to maintain the correct working temperature.
When it is safe to lift the hood:
2.0 L L4 Engine
A. Electric Engine Cooling Fans
B. Coolant Surge Tank and Pr ...
What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning sy ...
See also:
Lighting
Battery saver function
• The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the exterior lights when the driver removes
the ignition ...
Collision Damage Repair
If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts. Poorly performed collision rep ...
Fogging up of the windows
The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air
from the outlets and defog the
windshield effectively.
●If you turn off, the w ...
