Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Exterior
While GM is trying to differentiate the Silverado and Sierra, the common
silhouette is hard to overcome, even with unique front fenders, grille, bumpers,
headlamps, cargo box and taillamps. There' ...
Compass Messages
CAL
This message is displayed when the compass needs to be calibrated. See Compass
on page 5‑5.
– – –
Three dashes will be displayed if the compass needs service. See your dealer
fo ...
Trademarks and License Agreements
Manufactured under license under U.S. Patent #'s: 5,451,942; 5,956,674; 5,974,380;
5,978,762; 6,487,535 & other U.S. and worldwide patents issued & pending. DTS and
the Symbol are re ...