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What Causes the 4WD Warning Light to Illuminate?

1 Answers

LunaMarie

07/29/25 11:24am

The reasons for the 4WD warning light illuminating may include the following: 1. Abnormal speed ratio of the four wheels: Switching the four-wheel drive can resolve this issue. 2. Open circuit in the four-wheel drive system: Disconnecting the negative terminal of the battery can restore normal function. 3. Oxidation of the four-wheel drive switch connector: Visit a 4S shop or a professional auto repair shop to have a specialist clear the fault using a computer. Here are some additional details: 1. The advantage of 4WD is that all four wheels are driven, which allows the vehicle to pass smoothly when one or the front two wheels are stuck in muddy roads, as the rear two wheels can still provide drive. 2. Due to better tire traction and steering force, 4WD is classified as an active safety system.

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