See also:

Lockout protection
To prevent the Intelligent Key from being accidentally locked in the trunk, lockout protection is equipped with the Intelligent Key. When all doors are locked and the trunk lid is closed with t ...

Going & Stopping
Base Altimas have a 2.5-liter four-cylinder engine that makes 175 horsepower (170 hp in states that have adopted California's emissions rules). A 270-hp, 3.5-liter V-6 is optional. A six-speed man ...

Silencing the horn beep feature
If desired, the horn beep feature can be deactivated using the Intelligent Key. To deactivate: Press and hold the and buttons for at least 2 seconds. The hazard warning lights will flash 3 tim ...