Driving Characteristics and Towing Tips
See also:
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...
Brake Fluid
The brake master cylinder reservoir is filled with DOT 3 brake fluid as indicated
on the reservoir cap. See Engine Compartment Overview on page 10‑6 for the location
of the reservoir.
The ...
Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and
GPS signal reception. Cellular reception is required for OnStar to send remote signals
to the vehicle. ...