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Home >> Porsche >> 2004 >> Cayenne Base >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance, Self Diagnostics >> 03 Trailer hitch maintenance: checking operation - as of MY 2004 (Cayenne TIP, Cayenne MAN, Cayenne S TIP, Cayenne S MAN, Cayenne Turbo) >> Checking electrically retractable trailer hitch (AHK) >> Checking electrically retractable trailer hitch

Checking electrically retractable trailer hitch

NOTE:
  • The swivel action of the ball hitch is interrupted in the one-touch function of the rocker switch if resistance interferes with the movement sequence. The interruption is indicated by the rapid flashing of the red LED in the rocker switch. 
  • Overload protection is switched off by pressing the rocker switch for at least two seconds. 
WARNING: Risk of injury and damage when retracting and extending the hitch ball. 
  • Make sure that no persons, animals or obstacles are in the movement range of the hitch ball. 
  • To interrupt the swivel action of the hitch ball in the event of danger, touch the rocker switch again. 

→ Never swivel the hitch ball when a trailer is coupled or when, for example, bicycle racks are mounted or supported on the hitch ball.

→ Only use the trailer coupling when the hitch ball is extended fully.

→ Never insert tools of any kind into the hitch ball swivel mechanism. This could damage the locking mechanism; safe operation of the trailer hitch can then no longer be assured.

→ Check that the hitch ball locks into position correctly before every journey.

Overload protection 

NOTE:
  • The vehicle must be stationary. 
  • Rear lid or rear window must be open. 
  • Trailer must be unhitched. 
  • Connectors (and any adapters) must be removed from the socket. 
  • There must not be any accessories on the hitch ball (e. g. ball protection cap, bicycle rack, etc.). 
Fig 1: Rocker switch for swivelling out trailer coupling
GP00014661Courtesy of PORSCHE OF NORTH AMERICA, INC.

1. Swivelling out the trailer coupling 

1.1. Requirements: 

NOTE:
  • The vehicle must be stationary. 
  • Rear lid or rear window must be open. 

1.2.

1.3. To swivel out: 

1.4. Touch rocker switch -A-  . See Fig 1.

1.5. >> The hitch ball moves automatically into operating position.

1.6. The red LED in the rocker switch flashes until the operating position is reached.

Fig 2: Rocker switch for retracting in trailer coupling
GP00014662Courtesy of PORSCHE OF NORTH AMERICA, INC.

2. Retracting the trailer hitch 

2.1. Requirements: 

NOTE:
  • The vehicle must be stationary. 
  • Rear lid or rear window must be open. 
  • Trailer must be unhitched. 
  • Connectors (and any adapters) must be removed from the socket. 
  • There must not be any accessories on the hitch ball (e. g. ball protection cap, bicycle rack, etc.). 

2.2.

2.3. To retract: 

2.4. Touch rocker switch -A-  . See Fig 2.

2.5. >> The hitch ball moves automatically into operating position.

2.6. The red LED in the rocker switch flashes until the operating position is reached.