Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Low Tire Pressure Indicator: Service and Repair




Tire inflation pressures vary with the ambient temperature. if the vehicle is subjected to large variations in ambient temperature, the tire inflation pressures may be under inflated (causing the TPMS light to come on) when the ambient temperature is relatively low. If the TPMS warning light comes on, adjust the tire inflation pressure. The TPMS warning light should go out shortly after.

If any of the road wheel tires do not contain a TPMS Transmitter, and the customer continues driving, the TPMS warning light will flash for a about 1 minute and then remain illuminated.