What does the Northern Ireland Highway Code say to do if steering becomes unresponsive in standing water?

If steering becomes unresponsive in standing water, ease off the accelerator and slow down gradually.

The Highway Code explains that this can mean water is preventing the tyres from gripping the road — aquaplaning. Sudden braking or steering can worsen the loss of control.

For “What does the Northern Ireland Highway Code say to do if steering becomes unresponsive in standing water?”, the wider Northern Ireland context is this: Northern Ireland winter driving is especially sensitive to changing road-surface temperature, rain, ice, flooding and exposed routes. Official advice is to drive for the conditions actually in front of you, not for the posted speed limit or the fact that a road was treated earlier. TrafficWatchNI and current weather warnings are the right live sources when conditions are deteriorating.

For this exact question — “What does the Northern Ireland Highway Code say to do if steering becomes unresponsive in standing water?” — the practical point is: Keep the steering steady and allow speed to fall until tyre contact returns. The answer should be applied to the actual signs, conditions, licence wording or parking rules in force at the time, because temporary restrictions and individual DVA decisions can change the ordinary position.

This Northern Ireland-specific page on “What does the Northern Ireland Highway Code say to do if steering becomes unresponsive in standing water?” was checked against the attached official sources before publication, with nidirect/DVA and the Northern Ireland Highway Code used ahead of generic UK motoring articles. If the rule, road layout or personal licence condition changes, those primary sources are the ones to re-check.