Troubleshooting guide
Nissan Altima / Nissan Altima Owners Manual / Pre-driving checks and adjustments / Request Switches / Troubleshooting guide
Verify the location of all Intelligent Keys that are programmed for the vehicle. If another Intelligent Key is in range or inside the vehicle, the vehicle system may respond differently than expected.

See also:
Infants
Infants up to at least 1 year old should be placed
in a rear-facing child restraint. NISSAN recommends
that infants be placed in child restraints
that comply with Federal Motor Vehicle Safety
...
Reporting safety defects
For USA
If you believe that your vehicle has a defect
which could cause a crash or could
cause injury or death, you should immediately
inform the National Highway Traffic
Safety Administratio ...
