Ram 1500/2500/3500: Maintaining Your Vehicle

 Sentry Key

The Sentry Key Immobilizer System prevents unauthorized vehicle operation by disabling the engine. The system does not need to be armed or activated. Operation is automatic, regardless of whether the vehicle is locked or unlocked. The system uses a Key Fob with a factory-mated Remote Keyless Entry

 Axle Locker System - Power Wagon Models Only (If Equipped)

This vehicle is equipped with electronically locking front and rear differentials. These differentials, when engaged, mechanically lock together the axle shafts forcing the wheels to spin at an equal rate. This allows the vehicle to maintain its momentum and prevents it from becoming stuck. The lock