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 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 .
See also:
Roadside Assistance Program
In the U.S. call 1-800-252-1112.
In Canada call 1-800-268-6800.
Service available 24 hours a day, 365 days a year.
As the proud owner of a new Buick vehicle, you
are automatically enrolled in th ...
If Steam Is Coming from the
Engine Compartment
See Overheated Engine Protection
Operating Mode for
information on driving to a safe
place in an emergency. ...
Place a Call Using a Stored
Number
1. Push . System responds:
“OnStar ready.”.
2. Say “Call <name tag>.” System
responds: “OK, calling
<name tag>.” ...