Vacuum assisted brakes
Nissan Altima / Nissan Altima Owners Manual / Starting and driving / Brake system / Brake precautions / Vacuum assisted brakes
The brake booster aids braking by using engine vacuum. If the engine stops, you can stop the vehicle by depressing the brake pedal. However, greater foot pressure on the brake pedal will be required to stop the vehicle and stopping distance will be longer.
See also:
Child restraints
...
Safety
Traction control is available on select models. The Frontier offers advanced
brake controls in 4x4 models, including an electronic stability system, Hill
Descent Control and Hill Start Assist. HDC ...
Accelerator downshift — In D position —
For passing or hill climbing, fully depress the
accelerator pedal to the floor. This shifts the
transmission down into a lower gear, depending
on the vehicle speed. ...
