Using the panic alarm
If you are near your vehicle and feel threatened,
you may activate the panic alarm to call attention
by pressing and holding the 
button
on the
Intelligent Key for longer than 0.5 seconds.
The panic alarm and headlights will stay on for 25 seconds.
The panic alarm stops when:
● It has run for 25 seconds, or
● Any button is pressed on the Intelligent Key.
See also:
Checking engine coolant level
MR20DE
Check the coolant level in the reservoir when
the engine is cold. If the coolant level is below
the MIN level B , add coolant to the MAX level
A . If the reservoir is empty, check the ...
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 ...
Draining of coolant water
If the vehicle is to be left outside without antifreeze,
drain the cooling system, including the
engine block. Refill before operating the vehicle.
For details, see “Changing engine coolant” in ...