The Jeep Cherokee can carry you and your cargo a long way—if you have the right tire pressure, that is. Overinflated tires wear out quickly and produce a harsh ride.

Underinflated tires

handle poorly and return terrible fuel mileage.

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What’s the right tire pressure for a Jeep Cherokee?

The official Jeep guidelines say to inflate the Cherokee's tires to between 33 and 36 psi.

Psi measures the stress a gas puts on a container in pounds per inch. In the automotive world, it represents how much air your tires can hold. Different tires require different pressure, so if you replaced your Jeep originals with aftermarket products, you should refer to the manufacturer's recommendations.

To complicate matters, the temperature can lower the air pressure in your tires by about 1 psi per 12 degrees F. Let's say you're filling your tires in your garage, which measures 68°F, while it's 32°F outside. You'd have to add an extra 3 psi to compensate for

low tire pressure in cold weather

Every official Jeep recommendation represents cold tire inflation pressure because tires that have rested for at least three hours return a more accurate psi.

Below are the official Jeep Cherokee tire pressure recommendations:

Trims	Tires	Front tire pressure	Rear tire pressure
Latitude Lux , X	225/60R17 BSW All-Season tires	36 psi	36 psi
Trailhawk	P245/65R17 OWL All-Terrain tires	36 psi	36 psi
Touring	225/60R18 BSW Touring tires	33 psi	33 psi

Compact spare tires should be filled to 60 psi to keep them rigid enough to drive on. Full-size spare tires, on the other hand, should be filled to the psi recommended for your particular Cherokee. We'll show you where to find those numbers below.

Where to find Jeep Cherokee tire pressure recommendations

To find your Cherokee's recommended tire pressure, take a look inside the glove box or visit the

Jeep Resources page

for the owner’s manual. Tire pressure and other essentials—like

the best gasoline or fuel to use for your car

—are listed under "Vehicle Information". It's also printed on a sticker on the inside of the frame of the driver's door.

Never inflate your tires to the number printed on the tires themselves. It indicates the maximum pressure they can withstand. Any tires inflated to this pressure are likely to blow out suddenly if driven at high speeds.

MORE:How low can your tire pressure go?

How do you know when Jeep Cherokee tire pressure is low?

It doesn’t take

a flat tire

to ruin your trip. Underinflated tires can cause your driving to feel sluggish and wobbly. Plus, your gas mileage will suffer.

Luckily, most modern Jeeps are equipped with a Tire Pressure Monitoring System (TPMS) that can sense when your tires need a top-up. Take a look at the Vehicle Info page on your infotainment screen to get an idea of each tire's psi. If the low tire pressure warning light flashes when you start the car, you've got a problem.

Regardless of whether or not you have a TPMS, make it a monthly habit to

check and add air to car tires

. Here's how to do it:

How to check the tire pressure on a Jeep Cherokee

tire pressure gauge

should be in every car owner's toolbox. Not only is air pressure important, but it's also easy to use! Locate and unscrew the tire's air valve cap, pop the gauge onto the stem, and wait for the needle to stabilize.

Once you have your reading, you can add or let out some air before screwing the cap back on.

How to tell if your Jeep Cherokee needs new tires

As a general rule, you need to

check tires

after six years of use. However, your treads might wear out sooner depending on how you drive, where you drive, and how much you carry. To avoid getting surprised by worn-out tires, try adding the penny test to your monthly tire pressure checks.

Take a penny, stick it upside down into the tire tread, and see how much of Abraham Lincoln's head disappears. If you can still see the president's haircut, your tires are worn past the point of safety. You can also ask your mechanic to take a quick look whenever you visit the garage.

MORE:

Are Jeeps expensive to maintain?

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How to reset the Jeep Cherokee tire pressure monitoring system (TPMS) light

So, you got a warning from the TPMS, checked your Cherokee tires, and made sure the air pressure was correct. What do you do if the tire pressure warning light won’t turn off?

Double-check your tires. More than one tire may be riding low, so give them all a look to be sure.

Manually reset the tire pressure sensors. If you're still getting a warning message, pump the affected tire(s) with an extra 3 psi, deflate to zero, then re-inflate to the correct pressure. Take a 10-minute drive at 50 mph or higher to complete the reset.

Use the TPMS reset button. Older Cherokees have a manual TPMS reset button just below the steering wheel. Switch the ignition to ‘On’ without starting the vehicle and hold down the button for 10 seconds to initiate a reset.

Reset your car's electrical system. Turn off the ignition and raise the hood. With a wrench, disconnect the positive cable from the car battery and discharge any remaining electricity by turning the ignition to 'On' and holding down the horn for five seconds. Once you reconnect the cable to the battery, your car's systems will reset.

Use an aftermarket tool. Look online or in your local auto shop for an aftermarket TPMS reset tool to reset the system electronically. Additionally, you can buy an OBD-II scanner to confirm the warning light has malfunctioned by reading the car's

OBD code

If you've run through the list with no result, it's time to see a mechanic. TPMS sensors occasionally need to be replaced, especially if you're using run-flat tires. These rugged tires are designed to give you an extra 50 miles on air pressure as low as 14 psi.

The downside is that they can't be reinflated or repaired and must be replaced, along with their pressure sensors.

MORE:

Jeep tune-up cost

How to save on Jeep Cherokee insurance

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