The system operates only when the driver is in the vehicle or within operational range while the key is being carried.
NOTE When the battery power is low, or in places where there are high-intensity radio waves or noise, the operational range may become narrower or the system may not operate. For determining battery replacement, Refer to Keyless Entry System on .
Locking, Unlocking the Doors and the Liftgate

NOTE The system may not operate if you are too close to the windows or door handles, or liftgate.
Opening the Liftgate/Trunk Lid

Advanced Keyless Entry
Operational RangeIntake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the
vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum
gauge.
If not within the sp ...
Oil Pressure Switch Removal
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before removing the exhaust system.
1. Disconnect the negative battery cable.
2. Remove the aerodynamic under cover No.2..
3. Disconnect the connecto ...
Neutral Switch Removal/Installation [G35 M R]
1. Remove the battery cover..
2. Disconnect the negative battery cable.
3. Remove the battery component. (ex: battery, battery tray and PCM component)(See
BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)
4. Remove the aerodynamic under cover No.2..
5. Drain the oil from the transaxle..
...