Porsche Cayenne Owner's Manual page 151

Light on Warning message on the multi-purpose
instrument display
panel
Check passenger seat setting
Seat belt
Caution flat tyre
Check tyres
Check spare wheel
required pressure: 3.4 bar/50 psi
Tyre pressure too low
Add air
Collapsible spare wheel/sealing
set max. 50 mph (80 km/h)
Collapsible spare wheel
Required pressure: 3.5 bar/
51 psi
max. 50 mph (80 km/h)
System not active
System not active
Brief disturbance
System not active
Too many wheel transmitters
Meaning/measures
Weight sensing is impaired on the passenger's seat (Advanced Airbag).
Correct the seating position, set the backrest upright, do not support weight on the armrests, or lift on
the handles.
Airbag faulty.
Have the fault remedied at an authorized Porsche dealer.
Fasten seat belt.
Tire Pressure Monitoring detects a pressure loss of at least 6 psi (0.4 bar) or a larger leak.
Stop in a suitable place and check tires. Change wheel if necessary.
Appears about every 6 months.
Check if the pressure of the mounted spare wheel matches the required pressure manually, as it is not
monitored electronically.
Tire Pressure Monitoring detects a pressure loss of at least 4 psi (0.3 bar).
Correct tire pressure at the next opportunity.
Observe maximum permitted speed.
Information on driving with a collapsible spare wheel after selection in spare wheel menu.
Observe maximum speed of max. 50 mph or 80 km/h and required pressure of 51 psi or 3.5 bar.
Tire Pressure Monitoring faulty.
Have the fault remedied at an authorized Porsche dealer.
Select new set of wheels in the tire pressure menu after changing the wheels.
External interference (e.g. wireless headphones) or excessive temperature (over 248 °F/120 °C) at the
wheel transmitters. Tire Pressure Monitoring will reactivate itself.
Tire Pressure Monitoring detects more than 4 wheel transmitters (e.g. winter wheels in the luggage
compartment)
Tire Pressure Monitoring will reactivate itself after the additional wheel transmitters have been removed.
Multi-Purpose Display and Instruments
151