To change the cruising speed

See also:

Manhart Unleashes the C63 S E Performance with 725hp
In a bold move, Manhart has taken the already potent hybrid C63 and pushed it to new heights of performance. While power and torque were never lacking in the hybrid C63, that didn't deter Manhart fr ...

Menu list of the Hands-free system
Turn the “TUNE/TRACK/CH” dial to select a menu, and then press the dial to enter the selected menu. NOTE For details about the operation, follow the voice guidance. *: If a cell phone is not ...

Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not turn off the engine while driving because that will turn off the brake booster, resulting in poor braking power. The ...