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This tire pressure warning appears
– for approx. 10 seconds with vehicle stopped when switching off
the ignition or
– again when switching on the ignition.
With ignition on, the warning can be deactivated. The tire pressure warning light in the instrument panel goes out only when the tire pressure has been corrected.
Stage 2 – Flat tire
At speeds below 100 mph (160 km/h):
The pressure in the tire has dropped by more than 7 psi (0.5 bar). This significant pressure loss is a danger to road safety.
At speeds above 100 mph (160 km/h):
The pressure in the tire has dropped by more than 5 psi (0.4 bar). This significant pressure loss is a danger to road safety.
This tire pressure warning also appears when driving and can be acknowledged.
The tire pressure warning light on the instrument panel goes out only when the tire pressure has been corrected.
The Tire Pressure Monitoring begins to "learn" the wheels after a wheel change, wheel transmitter replacement or update of the tire settings. During this process, the Tire Pressure Monitoring recognizes the tires and their locations.
The on-board computer displayes the message "TPM is learning, monitoring not act.".
The Tire Pressure Monitoring requires a certain amount of time to learn the wheels. During this time, the current tire pressures are not available on the on-board-computer:
– The tire pressure warning light remains lit until all wheels have been learned.
– The display of the tire pressure function of the on-board computer shows lines.
– The required pressures for cold tires at 68 °F (20 °C) are indicated in the Info pressure display in the tire pressure menu.
Position and pressure information is displayed as soon as the Tire Pressure Monitoring has assigned the wheels identified as belonging to the vehicle to the correct wheel positions.
The wheel learning process takes place exclusively when the vehicle is being driven (vehicle speed above 25 km/h (16 mph)).