Performance and Maintenance

See also:

First Engine Oil Change After Every 40 000 km/25,000 Miles
• Fuel system inspection for damage or leaks. ...

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 ...

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 ...