When to Check and Change Lubricant
It is not necessary to regularly check front axle fluid unless a leak is suspected, or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired.
See also:
Shifting Into Four-Wheel Drive Low
When Four-Wheel Drive Low is engaged, vehicle speed should be kept below 72 km/h (45 mph).
Extended high-speed operation in Four-Wheel Drive Low may damage or shorten the life of the drivetrain.
To ...
OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data collectio ...
Parking Brake
To set the parking brake, hold the regular brake pedal down, then push the parking
brake pedal down.
If the ignition is on, the brake system warning light will come on. See Brake
System Warning ...





