See also:

Power brakes function only when the engine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not working, ...

Summer and winter tires
The arrows shows the direction of rotation of the tire When switching between summer and winter tires, mark the tires to indicate where they were mounted on the car, e.g., LF = left front, RR ...

Tire Pressure Monitoring System (TPMS)
The tire pressure monitoring system1 uses sensors mounted in the tire valves to check inflation pressure levels. When the vehicle is moving at a speed of approximately 20 mph (30 km/h) or faster, ...