Engine Coolant (4.6L Engine)
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for five years or 150,000 miles (240 000 km), 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:
Playing an Audio CD
1. Press the CD screen button on
the Home Page or select CD
from the source pop-up to
display the CD main page.
2. From the CD screen, press the
Menu screen button to display
the menu optio ...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Driver Efficiency Gauge
For eAssist vehicles, this gauge
assists in driving efficiently and will
vary based on driver input.
To maximize efficiency, keep the
gauge pointed in the solid green
zone in the center of ...