See also:

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need ...

Volume Control
VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

Additional Required Services At Each Fuel Stop
• Engine oil level check. See Engine Oil. • Engine coolant level check. See Engine Coolant (4.6L Engine) or Engine Coolant (3.9L Engine). • Windshield washer fluid level check. See Windshi ...