Quote:
Originally Posted by ogakor
The temperature hit 4 below this morning at Lake Tahoe. When I started my '05 FEH, the ABS and brake warning lights came on, along with a message to "check brake system." To make a long story short, apparantly the regenerative braking system was not working. The hybrid power display showed no green arrows flowing to the battery when brakes were applied, although I could stop. I drove about six miles with this condition, then parked in the sun. Three hours later, with the temperature in the mid 20's, I restarted the vehicle. All systems were normal. The power display showed a flow to the battery while braking. Has anyone else had this problem, and what is there about the braking system that could cause a temporary failure of regenerative braking in very cold weather? Thanks for your help.
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I THINK the loss of regeneration is likely very normal at cold temps until the battery warms up. However that doesn't explain the ABS light and the check brake system..... That part might be something to have looked at. But even if they fix something I'll bet you still won't regen when its that cold at the start, I'll bet that is normal and not a symptom of the light and warning... The car will just brake like any other car in those conditions and still be safe.