See also:

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Under the Hood
Depending on the model, there are two engine options that can be teamed with a five- or seven-speed automatic transmission. G550's V-8 produces 382 horsepower and 391 pounds-feet of torque and tea ...