Buick Regal: Engine Co - Vehicle Checks - Vehicle Care - Buick Regal Owners ManualBuick 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 .

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:

Using the automatic air conditioning system
1. Press . The air conditioning system begins to operate. Air outlets and fan speed are automatically adjusted according to the temperature setting. 2. Turn clockwise to increase the temperat ...

Illuminated Entry — If Equipped
The courtesy lights will turn on when you press the unlock button on the Remote Keyless Entry (RKE) transmitter or open any door. This feature also turns on the approach lighting in the outside ...

Auto Fan Speed
This will allow you to select the automatic fan speed. It can be adjusted to run lower or higher than normal. Press SELECT when Auto Fan Speed is highlighted to open the menu. Turn the Menu ...