Central control of Comfort Access (CA)

With Comfort Access, an ID transmitter is required instead of the usual master key. The ID transmitter also performs standard master key functions. Comfort Access can be used to carry out the following functions:

• Access authorization

  Unlocking the vehicle or luggage compartment without active use of the ID transmitter

• Drive authorization

  Engine start without active use of the ID transmitter

• Locking authorization

  Locking the vehicle without active use of the ID transmitter

The CAS control unit is the master control unit for functions run by Comfort Access. On vehicles with Comfort Access, a CA control unit is fitted.