BRAKE FLUID LEVEL
Make sure that the brake fluid level in the reservoir sub tank is between the MAX and MIN lines.

Visually check around the reservoir sub tank and reservoir tank for brake fluid leakage.
If the brake fluid level is excessively low, check the brake system for leakage.
If brake warning lamp remains illuminated after parking brake pedal is released, check the brake system for brake fluid leakage.
BRAKE LINE
Check brake line (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged parts.
Check for brake fluid leakage by fully depressing brake pedal while engine is running.

CAUTION:
If brake fluid leakage occurs around joints, retighten or replace damaged parts as necessary.
Wheels
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.