What should the tire pressure of the LaCrosse be?
1 Answers
The normal tire pressure range for the LaCrosse is 2.4-2.5 bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2 bar in winter and reduced by 0.1 bar in summer. This data is based on the international GBT2978-2008 standard requirements. The LaCrosse's tire pressure monitoring system is indirect, utilizing the vehicle's ABS balance control, and only displays underinflation when there is a leak. To check the tire pressure, first prepare a tire pressure gauge, locate the original tire pressure label, press the gauge onto the tire valve to measure and read the value, and remember to replace the valve cap after checking. Generally, a tire pressure above 2.8 bar is considered too high, and below 2.0 bar is considered too low. Hazards of overinflation: Reduced tire friction and adhesion, affecting braking performance; causes steering wheel vibration and deviation, reducing driving comfort; accelerates wear on the central tread pattern, shortening tire lifespan; increases vehicle vibration, indirectly affecting other components' longevity; overstretches tire cords, reducing elasticity and increasing load during driving. Hazards of underinflation: Increased friction with the road surface, leading to higher fuel consumption; causes heavy steering and deviation, compromising driving safety; increases movement in tire sections, leading to abnormal heat from excessive rolling; weakens cord and rubber functionality, causing delamination or cord breakage and excessive friction with the rim, damaging the bead area and causing abnormal wear; multiplies friction with the ground, rapidly increasing tire temperature, softening the tire, and drastically reducing strength. High-speed driving may result in a blowout. If the tire pressure monitoring indicator light comes on (a yellow symbol with an irregular circle, no stamp on top, four small spikes below, and an exclamation mark inside), there are generally three possible causes: Abnormal tire pressure: Typically triggers an alarm below 1.8 bar or above 3.0 bar. Immediate tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, failing to reset the tire pressure monitoring system causes it to display outdated data, lighting the indicator. Simply reset the tire pressure to resolve this. Damaged tire pressure sensor: The sensor, installed inside the tire and connected to the inflation valve, monitors tire pressure. If damaged during driving (e.g., by impact), the tire pressure warning light will activate. Damaged sensors must be replaced.
