Jeep Grand Cherokee 2020 Owner's Manual page 322

320 SERVICING AND MAINTENANCE
Miles:
Or Months:
Or Kilometers:
Adjust the parking brake on
vehicles equipped with four wheel
disc brakes.
Drain the transfer case and refill.
Inspect the accessory drive belts
replace if necessary.
Inspect the front and rear axle
fluid. Change if using your vehicle
for any of the following: police,
taxi, fleet, sustained high speed
driving, off-road or frequent
trailer towing.
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