2020 Mustang User Manual

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To restore the full function of the tire

pressure monitoring system, have the

damaged road wheel and tire assembly

repaired and remounted on your vehicle.

When You Believe Your System is Not

Operating Properly

The main function of the tire pressure

monitoring system is to warn you when

your tires need air. It can also warn you in

the event the system is no longer capable

of functioning as intended. See the

following chart for information concerning

your tire pressure monitoring system:

Customer action requiredPossible cause

Low tire pressure

warning light

Make sure tires are at the proper pres-

sure. See Inflating your tires in this

chapter. After inflating your tires to the

manufacturer’s recommended pressure

as shown on the Tire Label (located on

the edge of driver’ s door or the B-Pillar),

the vehicle must be driven for at least

two minutes over 20 mph (32 km/h)

before the light turns off.

Tire(s) under-inflated

Solid warning light Repair the damaged road wheel and tire

assembly and reinstall it on the vehicle

to restore system function. For a

description on how the system functions,

see When Your Temporary Spare Tire

is Installed in this section.

Spare tire in use

If the tires are properly inflated and the

spare tire is not in use but the light

remains on, contact your authorized

dealer as soon as possible.

TPMS malfunction

Repair the damaged road wheel and tire