Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push an Advisor can run a check., and an Advisor can run a check.

    See also:

    When to Change Engine Oil
    This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, an ...

    Immobilizer Operation (Keyless Access)
    This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the ignition control knob is turne ...

    Cargo & Towing
    Just like the Yukon, the Escalade's cargo configuration is less than optimal, but for four passengers on a weekend trip it was great. Three overnight bags, two golf bags and a garment bag on top a ...