BMW i8 owners manual page 117

text version of content this owner's manual page from owners manual to the vehicle BMW i8, year of production 2014:

Seite 101 Safety Controls ▷ Inflation was not carried out according toDeclaration according to NHTSA/ specifications. FMVSS 138 Tire Pressure Monitoring System ▷ The tire inflation pressure has fallen below the level of the last confirmation. Each tire, including the spare (if provided) should be checked monthly when cold and in‐ In this case: flated to the inflation pressure recommended ▷ Check the tire pressure and correct as by the vehicle manufacturer on the vehicle needed. placard or tire inflation pressure label. (If your ▷ Carry out a reset of the system after a tire vehicle has tires of a different size than the size change. indicated on the vehicle placard or tire inflation pressure label, you should determine the System limits proper tire inflation pressure for those tires.) The system does not function properly if a re‐As an added safety feature, your vehicle has set has not been carried out, e.g., a flat tire isbeen equipped with a tire pressure monitoring reported though tire inflation pressures aresystem (TPMS) that illuminates a low tire pres‐ correct. sure telltale when one or more of your tires is significantly under-inflated. Accordingly, when The tire inflation pressure depends on the the low tire pressure telltale illuminates, you tire's temperature. Driving or exposure to the should stop and check your tires as soon as sun will increase the tire's temperature, thus possible, and inflate them to the proper pres‐ increasing the tire inflation pressure. The tire sure. Driving on a significantly under-inflated inflation pressure is reduced when the tire tire causes the tire to overheat and can lead to temperature falls again. These circumstances tire failure. Under-inflation also reduces fuel ef‐ may cause a warning when temperatures fall ficiency and tire tread life, and may affect the very sharply. vehicle's handling and stopping ability. Please note that the TPMS is not a substitute for Malfunction proper tire maintenance, and it is the driver's The yellow warning lamp flashes and responsibility to maintain correct tire pressure, then lights up continuously. A Check even if under-inflation has not reached the Control message is displayed. No flat level to trigger illumination of the TPMS low tire or loss of tire inflation pressure can be de‐ tire pressure telltale. Your vehicle has also tected. been equipped with a TPMS malfunction indi‐ cator to indicate when the system is not oper‐ Display in the following situations: ating properly. The TPMS malfunction indica‐ ▷ A wheel without TPM electronics is fitted: tor is combined with the low tire pressure have the service center check it if needed. telltale. When the system detects a malfunc‐ ▷ Malfunction: have the system checked by tion, the telltale will flash for approximately one your service center. minute and then remain continuously illumi‐ nated. This sequence will continue upon sub‐ ▷ TPM was unable to complete the reset. sequent vehicle start-ups as long as the mal‐ Reset the system again. function exists. When the malfunction indicator ▷ Interference through systems or devices is illuminated, the system may not be able to with the same radio frequency: after leav‐ detect or signal low tire pressure as intended. ing the area of the interference, the system TPMS malfunctions may occur for a variety of automatically becomes active again. reasons, including the installation of replace‐ ment or alternate tires or wheels on the vehicle 101 Online Edition for Part no. 01 40 2 960 891 - II/15

owners manual BMW i8

owners manual BMW i8 - year of production: 2014 - BMW i8 owners manual EN