Nissan Altima Owners Manual: Audible reminders

Brake pad wear warning

The disc brake pads have audible wear warnings.

When a disc brake pad requires replacement, it makes a high pitched scraping sound when the vehicle is in motion, whether or not the brake pedal is depressed. Have the brakes checked as soon as possible if the warning sound is heard.

Light reminder chime With the ignition switch placed in the OFF position, a chime sounds when the driver’s door is opened if the headlights or parking lights are on.

Turn the headlight control switch off before leaving the vehicle.

NISSAN Intelligent Key® door buzzer

The Intelligent Key door buzzer sounds if the Intelligent Key is left inside the vehicle when locking the doors. When the buzzer sounds, be sure to check both the vehicle and the Intelligent Key. See “NISSAN Intelligent Key®” in the “Predriving checks and adjustments” section.

    Indicator lights
    For additional information on warnings and indicators, see “Vehicle information display” later in this section. Front fog light indicator light (if so equipped) The front fog light indicato ...

    Vehicle Information Display
    The vehicle information display is located to the left of the speedometer. It displays such items as: ● Vehicle settings ● Trip computer information ● Drive system warnings and ...

    Other materials:

    Power generation voltage variable control system operation inspection
    Inspection Procedure CAUTION: When performing this inspection, always use a charged battery that has completed the battery inspection. (When the charging rate of the battery is low, the response speed of the voltage change will become slow. This can cause an incorrect inspection.) 1.CHECK ...

    ASCD brake switch
    Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by this input of two kinds (ON/OFF signal). Refer to EC-67, "System Description" for the ASCD function. Component Function ...

    P0137 HO2S2
    Description The heated oxygen sensor 2, after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of the air fuel ratio (A/F) sensor 1 are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal from t ...